diff --git a/spring-cloud-function-dependencies/pom.xml b/spring-cloud-function-dependencies/pom.xml
index 6b3f73b80..5dbe3e858 100644
--- a/spring-cloud-function-dependencies/pom.xml
+++ b/spring-cloud-function-dependencies/pom.xml
@@ -110,12 +110,12 @@
 		<repository>
 			<id>spring-snapshots</id>
 			<name>Spring Snapshots</name>
-			<url>https://repo.spring.io/libs-snapshot-local</url>
+			<url>https://repo.spring.io/snapshot</url>
 		</repository>
 		<repository>
 			<id>spring-milestones</id>
 			<name>Spring Milestones</name>
-			<url>https://repo.spring.io/libs-milestone-local</url>
+			<url>https://repo.spring.io/milestone</url>
 		</repository>
 		<repository>
 			<id>spring-releases</id>
@@ -127,17 +127,17 @@
 		<pluginRepository>
 			<id>spring-snapshots</id>
 			<name>Spring Snapshots</name>
-			<url>https://repo.spring.io/libs-snapshot-local</url>
+			<url>https://repo.spring.io/snapshot</url>
 		</pluginRepository>
 		<pluginRepository>
 			<id>spring-milestones</id>
 			<name>Spring Milestones</name>
-			<url>https://repo.spring.io/libs-milestone-local</url>
+			<url>https://repo.spring.io/milestone</url>
 		</pluginRepository>
 		<pluginRepository>
 			<id>spring-releases</id>
 			<name>Spring Releases</name>
-			<url>https://repo.spring.io/libs-release-local</url>
+			<url>https://repo.spring.io/release</url>
 		</pluginRepository>
 	</pluginRepositories>
 </project>
diff --git a/spring-cloud-function-deployer/src/it/bootapp-multi/pom.xml b/spring-cloud-function-deployer/src/it/bootapp-multi/pom.xml
index b1db4c27c..0d554bdf1 100644
--- a/spring-cloud-function-deployer/src/it/bootapp-multi/pom.xml
+++ b/spring-cloud-function-deployer/src/it/bootapp-multi/pom.xml
@@ -12,7 +12,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>3.5.0</version>
+		<version>4.0.0-SNAPSHOT</version>
 		<relativePath/>
 	</parent>
 
@@ -72,12 +72,12 @@
 		<repository>
 			<id>spring-snapshots</id>
 			<name>Spring Snapshots</name>
-			<url>https://repo.spring.io/libs-snapshot-local</url>
+			<url>https://repo.spring.io/snapshot</url>
 		</repository>
 		<repository>
 			<id>spring-milestones</id>
 			<name>Spring Milestones</name>
-			<url>https://repo.spring.io/libs-milestone-local</url>
+			<url>https://repo.spring.io/milestone</url>
 		</repository>
 		<repository>
 			<id>spring-releases</id>
@@ -89,17 +89,17 @@
 		<pluginRepository>
 			<id>spring-snapshots</id>
 			<name>Spring Snapshots</name>
-			<url>https://repo.spring.io/libs-snapshot-local</url>
+			<url>https://repo.spring.io/snapshot</url>
 		</pluginRepository>
 		<pluginRepository>
 			<id>spring-milestones</id>
 			<name>Spring Milestones</name>
-			<url>https://repo.spring.io/libs-milestone-local</url>
+			<url>https://repo.spring.io/milestone</url>
 		</pluginRepository>
 		<pluginRepository>
 			<id>spring-releases</id>
 			<name>Spring Releases</name>
-			<url>https://repo.spring.io/libs-release-local</url>
+			<url>https://repo.spring.io/release</url>
 		</pluginRepository>
 	</pluginRepositories>
 </project>
diff --git a/spring-cloud-function-deployer/src/it/bootapp-with-javax/pom.xml b/spring-cloud-function-deployer/src/it/bootapp-with-javax/pom.xml
index 516e730cf..b694a94d3 100644
--- a/spring-cloud-function-deployer/src/it/bootapp-with-javax/pom.xml
+++ b/spring-cloud-function-deployer/src/it/bootapp-with-javax/pom.xml
@@ -12,7 +12,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>3.5.0</version>
+		<version>4.0.0-SNAPSHOT</version>
 		<relativePath />
 	</parent>
 
@@ -72,12 +72,12 @@
 		<repository>
 			<id>spring-snapshots</id>
 			<name>Spring Snapshots</name>
-			<url>https://repo.spring.io/libs-snapshot-local</url>
+			<url>https://repo.spring.io/snapshot</url>
 		</repository>
 		<repository>
 			<id>spring-milestones</id>
 			<name>Spring Milestones</name>
-			<url>https://repo.spring.io/libs-milestone-local</url>
+			<url>https://repo.spring.io/milestone</url>
 		</repository>
 		<repository>
 			<id>spring-releases</id>
@@ -89,17 +89,17 @@
 		<pluginRepository>
 			<id>spring-snapshots</id>
 			<name>Spring Snapshots</name>
-			<url>https://repo.spring.io/libs-snapshot-local</url>
+			<url>https://repo.spring.io/snapshot</url>
 		</pluginRepository>
 		<pluginRepository>
 			<id>spring-milestones</id>
 			<name>Spring Milestones</name>
-			<url>https://repo.spring.io/libs-milestone-local</url>
+			<url>https://repo.spring.io/milestone</url>
 		</pluginRepository>
 		<pluginRepository>
 			<id>spring-releases</id>
 			<name>Spring Releases</name>
-			<url>https://repo.spring.io/libs-release-local</url>
+			<url>https://repo.spring.io/release</url>
 		</pluginRepository>
 	</pluginRepositories>
 </project>
diff --git a/spring-cloud-function-deployer/src/it/bootapp-with-scf/pom.xml b/spring-cloud-function-deployer/src/it/bootapp-with-scf/pom.xml
index fc8756fd5..55963a6b9 100644
--- a/spring-cloud-function-deployer/src/it/bootapp-with-scf/pom.xml
+++ b/spring-cloud-function-deployer/src/it/bootapp-with-scf/pom.xml
@@ -12,7 +12,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>3.5.0</version>
+		<version>4.0.0-SNAPSHOT</version>
 		<relativePath/>
 	</parent>
 
@@ -72,12 +72,12 @@
 		<repository>
 			<id>spring-snapshots</id>
 			<name>Spring Snapshots</name>
-			<url>https://repo.spring.io/libs-snapshot-local</url>
+			<url>https://repo.spring.io/snapshot</url>
 		</repository>
 		<repository>
 			<id>spring-milestones</id>
 			<name>Spring Milestones</name>
-			<url>https://repo.spring.io/libs-milestone-local</url>
+			<url>https://repo.spring.io/milestone</url>
 		</repository>
 		<repository>
 			<id>spring-releases</id>
@@ -89,17 +89,17 @@
 		<pluginRepository>
 			<id>spring-snapshots</id>
 			<name>Spring Snapshots</name>
-			<url>https://repo.spring.io/libs-snapshot-local</url>
+			<url>https://repo.spring.io/snapshot</url>
 		</pluginRepository>
 		<pluginRepository>
 			<id>spring-milestones</id>
 			<name>Spring Milestones</name>
-			<url>https://repo.spring.io/libs-milestone-local</url>
+			<url>https://repo.spring.io/milestone</url>
 		</pluginRepository>
 		<pluginRepository>
 			<id>spring-releases</id>
 			<name>Spring Releases</name>
-			<url>https://repo.spring.io/libs-release-local</url>
+			<url>https://repo.spring.io/release</url>
 		</pluginRepository>
 	</pluginRepositories>
 </project>
diff --git a/spring-cloud-function-deployer/src/it/bootapp/pom.xml b/spring-cloud-function-deployer/src/it/bootapp/pom.xml
index 259cbc0e7..604cc30df 100644
--- a/spring-cloud-function-deployer/src/it/bootapp/pom.xml
+++ b/spring-cloud-function-deployer/src/it/bootapp/pom.xml
@@ -12,7 +12,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>3.5.0</version>
+		<version>4.0.0-SNAPSHOT</version>
 		<relativePath/>
 	</parent>
 
@@ -67,12 +67,12 @@
 		<repository>
 			<id>spring-snapshots</id>
 			<name>Spring Snapshots</name>
-			<url>https://repo.spring.io/libs-snapshot-local</url>
+			<url>https://repo.spring.io/snapshot</url>
 		</repository>
 		<repository>
 			<id>spring-milestones</id>
 			<name>Spring Milestones</name>
-			<url>https://repo.spring.io/libs-milestone-local</url>
+			<url>https://repo.spring.io/milestone</url>
 		</repository>
 		<repository>
 			<id>spring-releases</id>
@@ -84,17 +84,17 @@
 		<pluginRepository>
 			<id>spring-snapshots</id>
 			<name>Spring Snapshots</name>
-			<url>https://repo.spring.io/libs-snapshot-local</url>
+			<url>https://repo.spring.io/snapshot</url>
 		</pluginRepository>
 		<pluginRepository>
 			<id>spring-milestones</id>
 			<name>Spring Milestones</name>
-			<url>https://repo.spring.io/libs-milestone-local</url>
+			<url>https://repo.spring.io/milestone</url>
 		</pluginRepository>
 		<pluginRepository>
 			<id>spring-releases</id>
 			<name>Spring Releases</name>
-			<url>https://repo.spring.io/libs-release-local</url>
+			<url>https://repo.spring.io/release</url>
 		</pluginRepository>
 	</pluginRepositories>
 </project>
diff --git a/spring-cloud-function-deployer/src/it/bootjar-multi/pom.xml b/spring-cloud-function-deployer/src/it/bootjar-multi/pom.xml
index 6a00111fa..dc0248883 100644
--- a/spring-cloud-function-deployer/src/it/bootjar-multi/pom.xml
+++ b/spring-cloud-function-deployer/src/it/bootjar-multi/pom.xml
@@ -12,7 +12,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>3.5.0</version>
+		<version>4.0.0-SNAPSHOT</version>
 		<relativePath/>
 	</parent>
 
@@ -73,12 +73,12 @@
 		<repository>
 			<id>spring-snapshots</id>
 			<name>Spring Snapshots</name>
-			<url>https://repo.spring.io/libs-snapshot-local</url>
+			<url>https://repo.spring.io/snapshot</url>
 		</repository>
 		<repository>
 			<id>spring-milestones</id>
 			<name>Spring Milestones</name>
-			<url>https://repo.spring.io/libs-milestone-local</url>
+			<url>https://repo.spring.io/milestone</url>
 		</repository>
 		<repository>
 			<id>spring-releases</id>
@@ -90,17 +90,17 @@
 		<pluginRepository>
 			<id>spring-snapshots</id>
 			<name>Spring Snapshots</name>
-			<url>https://repo.spring.io/libs-snapshot-local</url>
+			<url>https://repo.spring.io/snapshot</url>
 		</pluginRepository>
 		<pluginRepository>
 			<id>spring-milestones</id>
 			<name>Spring Milestones</name>
-			<url>https://repo.spring.io/libs-milestone-local</url>
+			<url>https://repo.spring.io/milestone</url>
 		</pluginRepository>
 		<pluginRepository>
 			<id>spring-releases</id>
 			<name>Spring Releases</name>
-			<url>https://repo.spring.io/libs-release-local</url>
+			<url>https://repo.spring.io/release</url>
 		</pluginRepository>
 	</pluginRepositories>
 </project>
diff --git a/spring-cloud-function-deployer/src/it/bootjar/pom.xml b/spring-cloud-function-deployer/src/it/bootjar/pom.xml
index c41c8521e..440e6ec72 100644
--- a/spring-cloud-function-deployer/src/it/bootjar/pom.xml
+++ b/spring-cloud-function-deployer/src/it/bootjar/pom.xml
@@ -12,7 +12,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>3.5.0</version>
+		<version>4.0.0-SNAPSHOT</version>
 		<relativePath/>
 	</parent>
 
@@ -67,12 +67,12 @@
 		<repository>
 			<id>spring-snapshots</id>
 			<name>Spring Snapshots</name>
-			<url>https://repo.spring.io/libs-snapshot-local</url>
+			<url>https://repo.spring.io/snapshot</url>
 		</repository>
 		<repository>
 			<id>spring-milestones</id>
 			<name>Spring Milestones</name>
-			<url>https://repo.spring.io/libs-milestone-local</url>
+			<url>https://repo.spring.io/milestone</url>
 		</repository>
 		<repository>
 			<id>spring-releases</id>
@@ -84,17 +84,17 @@
 		<pluginRepository>
 			<id>spring-snapshots</id>
 			<name>Spring Snapshots</name>
-			<url>https://repo.spring.io/libs-snapshot-local</url>
+			<url>https://repo.spring.io/snapshot</url>
 		</pluginRepository>
 		<pluginRepository>
 			<id>spring-milestones</id>
 			<name>Spring Milestones</name>
-			<url>https://repo.spring.io/libs-milestone-local</url>
+			<url>https://repo.spring.io/milestone</url>
 		</pluginRepository>
 		<pluginRepository>
 			<id>spring-releases</id>
 			<name>Spring Releases</name>
-			<url>https://repo.spring.io/libs-release-local</url>
+			<url>https://repo.spring.io/release</url>
 		</pluginRepository>
 	</pluginRepositories>
 </project>
diff --git a/spring-cloud-function-deployer/src/it/bootjarnostart/pom.xml b/spring-cloud-function-deployer/src/it/bootjarnostart/pom.xml
index d6fa20553..204c8e0ba 100644
--- a/spring-cloud-function-deployer/src/it/bootjarnostart/pom.xml
+++ b/spring-cloud-function-deployer/src/it/bootjarnostart/pom.xml
@@ -12,7 +12,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>3.5.0</version>
+		<version>4.0.0-SNAPSHOT</version>
 		<relativePath />
 	</parent>
 
@@ -79,12 +79,12 @@
 		<repository>
 			<id>spring-snapshots</id>
 			<name>Spring Snapshots</name>
-			<url>https://repo.spring.io/libs-snapshot-local</url>
+			<url>https://repo.spring.io/snapshot</url>
 		</repository>
 		<repository>
 			<id>spring-milestones</id>
 			<name>Spring Milestones</name>
-			<url>https://repo.spring.io/libs-milestone-local</url>
+			<url>https://repo.spring.io/milestone</url>
 		</repository>
 		<repository>
 			<id>spring-releases</id>
@@ -96,17 +96,17 @@
 		<pluginRepository>
 			<id>spring-snapshots</id>
 			<name>Spring Snapshots</name>
-			<url>https://repo.spring.io/libs-snapshot-local</url>
+			<url>https://repo.spring.io/snapshot</url>
 		</pluginRepository>
 		<pluginRepository>
 			<id>spring-milestones</id>
 			<name>Spring Milestones</name>
-			<url>https://repo.spring.io/libs-milestone-local</url>
+			<url>https://repo.spring.io/milestone</url>
 		</pluginRepository>
 		<pluginRepository>
 			<id>spring-releases</id>
 			<name>Spring Releases</name>
-			<url>https://repo.spring.io/libs-release-local</url>
+			<url>https://repo.spring.io/release</url>
 		</pluginRepository>
 	</pluginRepositories>
 </project>
diff --git a/spring-cloud-function-samples/function-functional-sample-aws/pom.xml b/spring-cloud-function-samples/function-functional-sample-aws/pom.xml
index ed06a2a76..7561c1359 100644
--- a/spring-cloud-function-samples/function-functional-sample-aws/pom.xml
+++ b/spring-cloud-function-samples/function-functional-sample-aws/pom.xml
@@ -15,7 +15,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>3.5.0</version>
+		<version>4.0.0-SNAPSHOT</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 
diff --git a/spring-cloud-function-samples/function-sample-aws-custom-bean/pom.xml b/spring-cloud-function-samples/function-sample-aws-custom-bean/pom.xml
index 462932474..b5786f6b9 100644
--- a/spring-cloud-function-samples/function-sample-aws-custom-bean/pom.xml
+++ b/spring-cloud-function-samples/function-sample-aws-custom-bean/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>3.5.0</version>
+		<version>4.0.0-SNAPSHOT</version>
 		<relativePath /> <!-- lookup parent from repository -->
 	</parent>
 	<groupId>io.spring.sample</groupId>
@@ -109,12 +109,12 @@
 		<repository>
 			<id>spring-snapshots</id>
 			<name>Spring Snapshots</name>
-			<url>https://repo.spring.io/libs-snapshot-local</url>
+			<url>https://repo.spring.io/snapshot</url>
 		</repository>
 		<repository>
 			<id>spring-milestones</id>
 			<name>Spring Milestones</name>
-			<url>https://repo.spring.io/libs-milestone-local</url>
+			<url>https://repo.spring.io/milestone</url>
 		</repository>
 		<repository>
 			<id>spring-releases</id>
@@ -126,17 +126,17 @@
 		<pluginRepository>
 			<id>spring-snapshots</id>
 			<name>Spring Snapshots</name>
-			<url>https://repo.spring.io/libs-snapshot-local</url>
+			<url>https://repo.spring.io/snapshot</url>
 		</pluginRepository>
 		<pluginRepository>
 			<id>spring-milestones</id>
 			<name>Spring Milestones</name>
-			<url>https://repo.spring.io/libs-milestone-local</url>
+			<url>https://repo.spring.io/milestone</url>
 		</pluginRepository>
 		<pluginRepository>
 			<id>spring-releases</id>
 			<name>Spring Releases</name>
-			<url>https://repo.spring.io/libs-release-local</url>
+			<url>https://repo.spring.io/release</url>
 		</pluginRepository>
 	</pluginRepositories>
 </project>
diff --git a/spring-cloud-function-samples/function-sample-aws-custom/pom.xml b/spring-cloud-function-samples/function-sample-aws-custom/pom.xml
index ddf955f53..83caae889 100644
--- a/spring-cloud-function-samples/function-sample-aws-custom/pom.xml
+++ b/spring-cloud-function-samples/function-sample-aws-custom/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>3.5.0</version>
+		<version>4.0.0-SNAPSHOT</version>
 		<relativePath /> <!-- lookup parent from repository -->
 	</parent>
 	<groupId>io.spring.sample</groupId>
@@ -151,12 +151,12 @@
 		<repository>
 			<id>spring-snapshots</id>
 			<name>Spring Snapshots</name>
-			<url>https://repo.spring.io/libs-snapshot-local</url>
+			<url>https://repo.spring.io/snapshot</url>
 		</repository>
 		<repository>
 			<id>spring-milestones</id>
 			<name>Spring Milestones</name>
-			<url>https://repo.spring.io/libs-milestone-local</url>
+			<url>https://repo.spring.io/milestone</url>
 		</repository>
 		<repository>
 			<id>spring-releases</id>
@@ -168,7 +168,7 @@
 		<pluginRepository>
 			<id>spring-snapshots</id>
 			<name>Spring Snapshots</name>
-			<url>https://repo.spring.io/libs-snapshot-local</url>
+			<url>https://repo.spring.io/snapshot</url>
 			<snapshots>
 				<enabled>true</enabled>
 			</snapshots>
@@ -179,7 +179,7 @@
 		<pluginRepository>
 			<id>spring-milestones</id>
 			<name>Spring Milestones</name>
-			<url>https://repo.spring.io/libs-milestone-local</url>
+			<url>https://repo.spring.io/milestone</url>
 			<snapshots>
 				<enabled>false</enabled>
 			</snapshots>
@@ -187,7 +187,7 @@
 		<pluginRepository>
 			<id>spring-releases</id>
 			<name>Spring Releases</name>
-			<url>https://repo.spring.io/libs-release-local</url>
+			<url>https://repo.spring.io/release</url>
 			<snapshots>
 				<enabled>false</enabled>
 			</snapshots>
diff --git a/spring-cloud-function-samples/function-sample-aws-native/pom.xml b/spring-cloud-function-samples/function-sample-aws-native/pom.xml
index 3e8e440cd..7f7e5fbc0 100644
--- a/spring-cloud-function-samples/function-sample-aws-native/pom.xml
+++ b/spring-cloud-function-samples/function-sample-aws-native/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>3.5.0</version>
+		<version>4.0.0-SNAPSHOT</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 	<groupId>oz.native.sample</groupId>
diff --git a/spring-cloud-function-samples/function-sample-aws-routing/pom.xml b/spring-cloud-function-samples/function-sample-aws-routing/pom.xml
index c54deed11..e542ba521 100644
--- a/spring-cloud-function-samples/function-sample-aws-routing/pom.xml
+++ b/spring-cloud-function-samples/function-sample-aws-routing/pom.xml
@@ -15,7 +15,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>3.5.0</version>
+		<version>4.0.0-SNAPSHOT</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 
diff --git a/spring-cloud-function-samples/function-sample-aws-serverless-web-native/pom.xml b/spring-cloud-function-samples/function-sample-aws-serverless-web-native/pom.xml
index 46bbb2d3c..2399b3932 100644
--- a/spring-cloud-function-samples/function-sample-aws-serverless-web-native/pom.xml
+++ b/spring-cloud-function-samples/function-sample-aws-serverless-web-native/pom.xml
@@ -6,7 +6,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>3.5.0</version>
+		<version>4.0.0-SNAPSHOT</version>
 		<relativePath /> <!-- lookup parent from repository -->
 	</parent>
 	<groupId>oz.native.sample</groupId>
diff --git a/spring-cloud-function-samples/function-sample-aws/pom.xml b/spring-cloud-function-samples/function-sample-aws/pom.xml
index aa2cb0ca1..22016b84a 100644
--- a/spring-cloud-function-samples/function-sample-aws/pom.xml
+++ b/spring-cloud-function-samples/function-sample-aws/pom.xml
@@ -15,7 +15,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>3.5.0</version>
+		<version>4.0.0-SNAPSHOT</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 
diff --git a/spring-cloud-function-samples/function-sample-azure-blob-trigger/pom.xml b/spring-cloud-function-samples/function-sample-azure-blob-trigger/pom.xml
index e9f07ca71..dc123582f 100644
--- a/spring-cloud-function-samples/function-sample-azure-blob-trigger/pom.xml
+++ b/spring-cloud-function-samples/function-sample-azure-blob-trigger/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>3.5.0</version>
+		<version>4.0.0-SNAPSHOT</version>
 		<relativePath/>
 		<!-- lookup parent from repository -->
 	</parent>
diff --git a/spring-cloud-function-samples/function-sample-azure-http-trigger/pom.xml b/spring-cloud-function-samples/function-sample-azure-http-trigger/pom.xml
index 46b460029..546a758fb 100644
--- a/spring-cloud-function-samples/function-sample-azure-http-trigger/pom.xml
+++ b/spring-cloud-function-samples/function-sample-azure-http-trigger/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>3.5.0</version>
+		<version>4.0.0-SNAPSHOT</version>
 		<relativePath/>
 		<!-- lookup parent from repository -->
 	</parent>
diff --git a/spring-cloud-function-samples/function-sample-azure-kafka-trigger/pom.xml b/spring-cloud-function-samples/function-sample-azure-kafka-trigger/pom.xml
index 98dc681b4..e1d09c085 100644
--- a/spring-cloud-function-samples/function-sample-azure-kafka-trigger/pom.xml
+++ b/spring-cloud-function-samples/function-sample-azure-kafka-trigger/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>3.5.0</version>
+		<version>4.0.0-SNAPSHOT</version>
 		<relativePath/>
 		<!-- lookup parent from repository -->
 	</parent>
diff --git a/spring-cloud-function-samples/function-sample-azure-time-trigger/pom.xml b/spring-cloud-function-samples/function-sample-azure-time-trigger/pom.xml
index 18cc5e095..150220798 100644
--- a/spring-cloud-function-samples/function-sample-azure-time-trigger/pom.xml
+++ b/spring-cloud-function-samples/function-sample-azure-time-trigger/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>3.5.0</version>
+		<version>4.0.0-SNAPSHOT</version>
 		<relativePath/>
 		<!-- lookup parent from repository -->
 	</parent>
diff --git a/spring-cloud-function-samples/function-sample-azure-web/pom.xml b/spring-cloud-function-samples/function-sample-azure-web/pom.xml
index 3c7885eeb..927a5cfa2 100644
--- a/spring-cloud-function-samples/function-sample-azure-web/pom.xml
+++ b/spring-cloud-function-samples/function-sample-azure-web/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>3.5.0</version>
+		<version>4.0.0-SNAPSHOT</version>
 		<relativePath/>
 		<!-- lookup parent from repository -->
 	</parent>
diff --git a/spring-cloud-function-samples/function-sample-azure/pom.xml b/spring-cloud-function-samples/function-sample-azure/pom.xml
index 6ddc05db6..aa4f75272 100644
--- a/spring-cloud-function-samples/function-sample-azure/pom.xml
+++ b/spring-cloud-function-samples/function-sample-azure/pom.xml
@@ -14,7 +14,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>3.5.0</version>
+		<version>4.0.0-SNAPSHOT</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 
@@ -220,12 +220,12 @@
 		<repository>
 			<id>spring-snapshots</id>
 			<name>Spring Snapshots</name>
-			<url>https://repo.spring.io/libs-snapshot-local</url>
+			<url>https://repo.spring.io/snapshot</url>
 		</repository>
 		<repository>
 			<id>spring-milestones</id>
 			<name>Spring Milestones</name>
-			<url>https://repo.spring.io/libs-milestone-local</url>
+			<url>https://repo.spring.io/milestone</url>
 		</repository>
 		<repository>
 			<id>spring-releases</id>
@@ -237,7 +237,7 @@
 		<pluginRepository>
 			<id>spring-snapshots</id>
 			<name>Spring Snapshots</name>
-			<url>https://repo.spring.io/libs-snapshot-local</url>
+			<url>https://repo.spring.io/snapshot</url>
 			<snapshots>
 				<enabled>true</enabled>
 			</snapshots>
@@ -248,7 +248,7 @@
 		<pluginRepository>
 			<id>spring-milestones</id>
 			<name>Spring Milestones</name>
-			<url>https://repo.spring.io/libs-milestone-local</url>
+			<url>https://repo.spring.io/milestone</url>
 			<snapshots>
 				<enabled>false</enabled>
 			</snapshots>
@@ -256,7 +256,7 @@
 		<pluginRepository>
 			<id>spring-releases</id>
 			<name>Spring Releases</name>
-			<url>https://repo.spring.io/libs-release-local</url>
+			<url>https://repo.spring.io/release</url>
 			<snapshots>
 				<enabled>false</enabled>
 			</snapshots>
diff --git a/spring-cloud-function-samples/function-sample-cloudevent-rsocket/pom.xml b/spring-cloud-function-samples/function-sample-cloudevent-rsocket/pom.xml
index 3a5c0395e..071c1dacc 100644
--- a/spring-cloud-function-samples/function-sample-cloudevent-rsocket/pom.xml
+++ b/spring-cloud-function-samples/function-sample-cloudevent-rsocket/pom.xml
@@ -11,7 +11,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>3.5.0</version>
+		<version>4.0.0-SNAPSHOT</version>
 		<relativePath/>
 	</parent>
 
@@ -107,7 +107,7 @@
 		<repository>
 			<id>spring-snapshots</id>
 			<name>Spring Snapshots</name>
-			<url>https://repo.spring.io/libs-snapshot-local</url>
+			<url>https://repo.spring.io/snapshot</url>
 			<snapshots>
 				<enabled>true</enabled>
 			</snapshots>
@@ -118,7 +118,7 @@
 		<repository>
 			<id>spring-milestones</id>
 			<name>Spring Milestones</name>
-			<url>https://repo.spring.io/libs-milestone-local</url>
+			<url>https://repo.spring.io/milestone</url>
 			<snapshots>
 				<enabled>false</enabled>
 			</snapshots>
@@ -136,7 +136,7 @@
 		<pluginRepository>
 			<id>spring-snapshots</id>
 			<name>Spring Snapshots</name>
-			<url>https://repo.spring.io/libs-snapshot-local</url>
+			<url>https://repo.spring.io/snapshot</url>
 			<snapshots>
 				<enabled>true</enabled>
 			</snapshots>
@@ -147,7 +147,7 @@
 		<pluginRepository>
 			<id>spring-milestones</id>
 			<name>Spring Milestones</name>
-			<url>https://repo.spring.io/libs-milestone-local</url>
+			<url>https://repo.spring.io/milestone</url>
 			<snapshots>
 				<enabled>false</enabled>
 			</snapshots>
@@ -155,7 +155,7 @@
 		<pluginRepository>
 			<id>spring-releases</id>
 			<name>Spring Releases</name>
-			<url>https://repo.spring.io/libs-release-local</url>
+			<url>https://repo.spring.io/release</url>
 			<snapshots>
 				<enabled>false</enabled>
 			</snapshots>
diff --git a/spring-cloud-function-samples/function-sample-cloudevent-sdk/pom.xml b/spring-cloud-function-samples/function-sample-cloudevent-sdk/pom.xml
index 5917fb153..4d70a7409 100644
--- a/spring-cloud-function-samples/function-sample-cloudevent-sdk/pom.xml
+++ b/spring-cloud-function-samples/function-sample-cloudevent-sdk/pom.xml
@@ -11,7 +11,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>3.5.0</version>
+		<version>4.0.0-SNAPSHOT</version>
 		<relativePath/>
 	</parent>
 
@@ -100,7 +100,7 @@
 		<repository>
 			<id>spring-snapshots</id>
 			<name>Spring Snapshots</name>
-			<url>https://repo.spring.io/libs-snapshot-local</url>
+			<url>https://repo.spring.io/snapshot</url>
 			<snapshots>
 				<enabled>true</enabled>
 			</snapshots>
@@ -111,7 +111,7 @@
 		<repository>
 			<id>spring-milestones</id>
 			<name>Spring Milestones</name>
-			<url>https://repo.spring.io/libs-milestone-local</url>
+			<url>https://repo.spring.io/milestone</url>
 			<snapshots>
 				<enabled>false</enabled>
 			</snapshots>
@@ -129,7 +129,7 @@
 		<pluginRepository>
 			<id>spring-snapshots</id>
 			<name>Spring Snapshots</name>
-			<url>https://repo.spring.io/libs-snapshot-local</url>
+			<url>https://repo.spring.io/snapshot</url>
 			<snapshots>
 				<enabled>true</enabled>
 			</snapshots>
@@ -140,7 +140,7 @@
 		<pluginRepository>
 			<id>spring-milestones</id>
 			<name>Spring Milestones</name>
-			<url>https://repo.spring.io/libs-milestone-local</url>
+			<url>https://repo.spring.io/milestone</url>
 			<snapshots>
 				<enabled>false</enabled>
 			</snapshots>
@@ -148,7 +148,7 @@
 		<pluginRepository>
 			<id>spring-releases</id>
 			<name>Spring Releases</name>
-			<url>https://repo.spring.io/libs-release-local</url>
+			<url>https://repo.spring.io/release</url>
 			<snapshots>
 				<enabled>false</enabled>
 			</snapshots>
diff --git a/spring-cloud-function-samples/function-sample-cloudevent-stream/pom.xml b/spring-cloud-function-samples/function-sample-cloudevent-stream/pom.xml
index ff831c774..ee2435852 100644
--- a/spring-cloud-function-samples/function-sample-cloudevent-stream/pom.xml
+++ b/spring-cloud-function-samples/function-sample-cloudevent-stream/pom.xml
@@ -11,7 +11,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>3.5.0</version>
+		<version>4.0.0-SNAPSHOT</version>
 		<relativePath/>
 	</parent>
 
@@ -110,7 +110,7 @@
 		<repository>
 			<id>spring-snapshots</id>
 			<name>Spring Snapshots</name>
-			<url>https://repo.spring.io/libs-snapshot-local</url>
+			<url>https://repo.spring.io/snapshot</url>
 			<snapshots>
 				<enabled>true</enabled>
 			</snapshots>
@@ -121,7 +121,7 @@
 		<repository>
 			<id>spring-milestones</id>
 			<name>Spring Milestones</name>
-			<url>https://repo.spring.io/libs-milestone-local</url>
+			<url>https://repo.spring.io/milestone</url>
 			<snapshots>
 				<enabled>false</enabled>
 			</snapshots>
@@ -139,7 +139,7 @@
 		<pluginRepository>
 			<id>spring-snapshots</id>
 			<name>Spring Snapshots</name>
-			<url>https://repo.spring.io/libs-snapshot-local</url>
+			<url>https://repo.spring.io/snapshot</url>
 			<snapshots>
 				<enabled>true</enabled>
 			</snapshots>
@@ -150,7 +150,7 @@
 		<pluginRepository>
 			<id>spring-milestones</id>
 			<name>Spring Milestones</name>
-			<url>https://repo.spring.io/libs-milestone-local</url>
+			<url>https://repo.spring.io/milestone</url>
 			<snapshots>
 				<enabled>false</enabled>
 			</snapshots>
@@ -158,7 +158,7 @@
 		<pluginRepository>
 			<id>spring-releases</id>
 			<name>Spring Releases</name>
-			<url>https://repo.spring.io/libs-release-local</url>
+			<url>https://repo.spring.io/release</url>
 			<snapshots>
 				<enabled>false</enabled>
 			</snapshots>
diff --git a/spring-cloud-function-samples/function-sample-cloudevent/pom.xml b/spring-cloud-function-samples/function-sample-cloudevent/pom.xml
index 8c7bfb36c..3592b1b3d 100644
--- a/spring-cloud-function-samples/function-sample-cloudevent/pom.xml
+++ b/spring-cloud-function-samples/function-sample-cloudevent/pom.xml
@@ -11,7 +11,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>3.5.0</version>
+		<version>4.0.0-SNAPSHOT</version>
 		<relativePath/>
 	</parent>
 
@@ -94,7 +94,7 @@
 		<repository>
 			<id>spring-snapshots</id>
 			<name>Spring Snapshots</name>
-			<url>https://repo.spring.io/libs-snapshot-local</url>
+			<url>https://repo.spring.io/snapshot</url>
 			<snapshots>
 				<enabled>true</enabled>
 			</snapshots>
@@ -105,7 +105,7 @@
 		<repository>
 			<id>spring-milestones</id>
 			<name>Spring Milestones</name>
-			<url>https://repo.spring.io/libs-milestone-local</url>
+			<url>https://repo.spring.io/milestone</url>
 			<snapshots>
 				<enabled>false</enabled>
 			</snapshots>
@@ -123,7 +123,7 @@
 		<pluginRepository>
 			<id>spring-snapshots</id>
 			<name>Spring Snapshots</name>
-			<url>https://repo.spring.io/libs-snapshot-local</url>
+			<url>https://repo.spring.io/snapshot</url>
 			<snapshots>
 				<enabled>true</enabled>
 			</snapshots>
@@ -134,7 +134,7 @@
 		<pluginRepository>
 			<id>spring-milestones</id>
 			<name>Spring Milestones</name>
-			<url>https://repo.spring.io/libs-milestone-local</url>
+			<url>https://repo.spring.io/milestone</url>
 			<snapshots>
 				<enabled>false</enabled>
 			</snapshots>
@@ -142,7 +142,7 @@
 		<pluginRepository>
 			<id>spring-releases</id>
 			<name>Spring Releases</name>
-			<url>https://repo.spring.io/libs-release-local</url>
+			<url>https://repo.spring.io/release</url>
 			<snapshots>
 				<enabled>false</enabled>
 			</snapshots>
diff --git a/spring-cloud-function-samples/function-sample-functional-aws-routing/pom.xml b/spring-cloud-function-samples/function-sample-functional-aws-routing/pom.xml
index 2ecf38ac6..8ecd841d9 100644
--- a/spring-cloud-function-samples/function-sample-functional-aws-routing/pom.xml
+++ b/spring-cloud-function-samples/function-sample-functional-aws-routing/pom.xml
@@ -15,7 +15,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>3.5.0</version>
+		<version>4.0.0-SNAPSHOT</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 
diff --git a/spring-cloud-function-samples/function-sample-gcp-background/pom.xml b/spring-cloud-function-samples/function-sample-gcp-background/pom.xml
index d8478a4b5..b132abcb8 100644
--- a/spring-cloud-function-samples/function-sample-gcp-background/pom.xml
+++ b/spring-cloud-function-samples/function-sample-gcp-background/pom.xml
@@ -15,7 +15,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>3.5.0</version>
+		<version>4.0.0-SNAPSHOT</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 
@@ -65,7 +65,7 @@
 		<repository>
 			<id>spring-snapshots</id>
 			<name>Spring Snapshots</name>
-			<url>https://repo.spring.io/libs-snapshot-local</url>
+			<url>https://repo.spring.io/snapshot</url>
 			<snapshots>
 				<enabled>true</enabled>
 			</snapshots>
@@ -76,7 +76,7 @@
 		<repository>
 			<id>spring-milestones</id>
 			<name>Spring Milestones</name>
-			<url>https://repo.spring.io/libs-milestone-local</url>
+			<url>https://repo.spring.io/milestone</url>
 			<snapshots>
 				<enabled>false</enabled>
 			</snapshots>
@@ -94,7 +94,7 @@
 		<pluginRepository>
 			<id>spring-snapshots</id>
 			<name>Spring Snapshots</name>
-			<url>https://repo.spring.io/libs-snapshot-local</url>
+			<url>https://repo.spring.io/snapshot</url>
 			<snapshots>
 				<enabled>true</enabled>
 			</snapshots>
@@ -105,7 +105,7 @@
 		<pluginRepository>
 			<id>spring-milestones</id>
 			<name>Spring Milestones</name>
-			<url>https://repo.spring.io/libs-milestone-local</url>
+			<url>https://repo.spring.io/milestone</url>
 			<snapshots>
 				<enabled>false</enabled>
 			</snapshots>
@@ -113,7 +113,7 @@
 		<pluginRepository>
 			<id>spring-releases</id>
 			<name>Spring Releases</name>
-			<url>https://repo.spring.io/libs-release-local</url>
+			<url>https://repo.spring.io/release</url>
 			<snapshots>
 				<enabled>false</enabled>
 			</snapshots>
diff --git a/spring-cloud-function-samples/function-sample-gcp-http/pom.xml b/spring-cloud-function-samples/function-sample-gcp-http/pom.xml
index e73502d93..e52fca5fd 100644
--- a/spring-cloud-function-samples/function-sample-gcp-http/pom.xml
+++ b/spring-cloud-function-samples/function-sample-gcp-http/pom.xml
@@ -15,7 +15,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>3.5.0</version>
+		<version>4.0.0-SNAPSHOT</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 
@@ -98,7 +98,7 @@
 		<repository>
 			<id>spring-snapshots</id>
 			<name>Spring Snapshots</name>
-			<url>https://repo.spring.io/libs-snapshot-local</url>
+			<url>https://repo.spring.io/snapshot</url>
 			<snapshots>
 				<enabled>true</enabled>
 			</snapshots>
@@ -109,7 +109,7 @@
 		<repository>
 			<id>spring-milestones</id>
 			<name>Spring Milestones</name>
-			<url>https://repo.spring.io/libs-milestone-local</url>
+			<url>https://repo.spring.io/milestone</url>
 			<snapshots>
 				<enabled>false</enabled>
 			</snapshots>
@@ -127,7 +127,7 @@
 		<pluginRepository>
 			<id>spring-snapshots</id>
 			<name>Spring Snapshots</name>
-			<url>https://repo.spring.io/libs-snapshot-local</url>
+			<url>https://repo.spring.io/snapshot</url>
 			<snapshots>
 				<enabled>true</enabled>
 			</snapshots>
@@ -138,7 +138,7 @@
 		<pluginRepository>
 			<id>spring-milestones</id>
 			<name>Spring Milestones</name>
-			<url>https://repo.spring.io/libs-milestone-local</url>
+			<url>https://repo.spring.io/milestone</url>
 			<snapshots>
 				<enabled>false</enabled>
 			</snapshots>
@@ -146,7 +146,7 @@
 		<pluginRepository>
 			<id>spring-releases</id>
 			<name>Spring Releases</name>
-			<url>https://repo.spring.io/libs-release-local</url>
+			<url>https://repo.spring.io/release</url>
 			<snapshots>
 				<enabled>false</enabled>
 			</snapshots>
diff --git a/spring-cloud-function-samples/function-sample-grpc-cloudevent/pom.xml b/spring-cloud-function-samples/function-sample-grpc-cloudevent/pom.xml
index ce30d8709..7b770c41d 100644
--- a/spring-cloud-function-samples/function-sample-grpc-cloudevent/pom.xml
+++ b/spring-cloud-function-samples/function-sample-grpc-cloudevent/pom.xml
@@ -7,7 +7,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>3.5.0</version>
+		<version>4.0.0-SNAPSHOT</version>
 		<relativePath/> 
 	</parent>
 	<groupId>com.example.grpc</groupId>
diff --git a/spring-cloud-function-samples/function-sample-kotlin-web/pom.xml b/spring-cloud-function-samples/function-sample-kotlin-web/pom.xml
index 9c6fe93df..4b0a68093 100644
--- a/spring-cloud-function-samples/function-sample-kotlin-web/pom.xml
+++ b/spring-cloud-function-samples/function-sample-kotlin-web/pom.xml
@@ -11,7 +11,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>3.5.0</version>
+		<version>4.0.0-SNAPSHOT</version>
 		<relativePath/>
 	</parent>
 
diff --git a/spring-cloud-function-samples/function-sample-pof/pom.xml b/spring-cloud-function-samples/function-sample-pof/pom.xml
index 20323fa3a..2e9d06fe2 100644
--- a/spring-cloud-function-samples/function-sample-pof/pom.xml
+++ b/spring-cloud-function-samples/function-sample-pof/pom.xml
@@ -13,7 +13,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>3.5.0</version>
+		<version>4.0.0-SNAPSHOT</version>
 		<relativePath/>
 	</parent>
 
@@ -73,7 +73,7 @@
 		<repository>
 			<id>spring-snapshots</id>
 			<name>Spring Snapshots</name>
-			<url>https://repo.spring.io/libs-snapshot-local</url>
+			<url>https://repo.spring.io/snapshot</url>
 			<snapshots>
 				<enabled>true</enabled>
 			</snapshots>
@@ -84,7 +84,7 @@
 		<repository>
 			<id>spring-milestones</id>
 			<name>Spring Milestones</name>
-			<url>https://repo.spring.io/libs-milestone-local</url>
+			<url>https://repo.spring.io/milestone</url>
 			<snapshots>
 				<enabled>false</enabled>
 			</snapshots>
@@ -102,7 +102,7 @@
 		<pluginRepository>
 			<id>spring-snapshots</id>
 			<name>Spring Snapshots</name>
-			<url>https://repo.spring.io/libs-snapshot-local</url>
+			<url>https://repo.spring.io/snapshot</url>
 			<snapshots>
 				<enabled>true</enabled>
 			</snapshots>
@@ -113,7 +113,7 @@
 		<pluginRepository>
 			<id>spring-milestones</id>
 			<name>Spring Milestones</name>
-			<url>https://repo.spring.io/libs-milestone-local</url>
+			<url>https://repo.spring.io/milestone</url>
 			<snapshots>
 				<enabled>false</enabled>
 			</snapshots>
@@ -121,7 +121,7 @@
 		<pluginRepository>
 			<id>spring-releases</id>
 			<name>Spring Releases</name>
-			<url>https://repo.spring.io/libs-release-local</url>
+			<url>https://repo.spring.io/release</url>
 			<snapshots>
 				<enabled>false</enabled>
 			</snapshots>
diff --git a/spring-cloud-function-samples/function-sample-pojo/pom.xml b/spring-cloud-function-samples/function-sample-pojo/pom.xml
index 16d8a4fcf..b31be7dbc 100644
--- a/spring-cloud-function-samples/function-sample-pojo/pom.xml
+++ b/spring-cloud-function-samples/function-sample-pojo/pom.xml
@@ -14,7 +14,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>3.5.0</version>
+		<version>4.0.0-SNAPSHOT</version>
 		<relativePath/>
 	</parent>
 
@@ -92,7 +92,7 @@
 		<repository>
 			<id>spring-snapshots</id>
 			<name>Spring Snapshots</name>
-			<url>https://repo.spring.io/libs-snapshot-local</url>
+			<url>https://repo.spring.io/snapshot</url>
 			<snapshots>
 				<enabled>true</enabled>
 			</snapshots>
@@ -103,7 +103,7 @@
 		<repository>
 			<id>spring-milestones</id>
 			<name>Spring Milestones</name>
-			<url>https://repo.spring.io/libs-milestone-local</url>
+			<url>https://repo.spring.io/milestone</url>
 			<snapshots>
 				<enabled>false</enabled>
 			</snapshots>
@@ -121,7 +121,7 @@
 		<pluginRepository>
 			<id>spring-snapshots</id>
 			<name>Spring Snapshots</name>
-			<url>https://repo.spring.io/libs-snapshot-local</url>
+			<url>https://repo.spring.io/snapshot</url>
 			<snapshots>
 				<enabled>true</enabled>
 			</snapshots>
@@ -132,7 +132,7 @@
 		<pluginRepository>
 			<id>spring-milestones</id>
 			<name>Spring Milestones</name>
-			<url>https://repo.spring.io/libs-milestone-local</url>
+			<url>https://repo.spring.io/milestone</url>
 			<snapshots>
 				<enabled>false</enabled>
 			</snapshots>
@@ -140,7 +140,7 @@
 		<pluginRepository>
 			<id>spring-releases</id>
 			<name>Spring Releases</name>
-			<url>https://repo.spring.io/libs-release-local</url>
+			<url>https://repo.spring.io/release</url>
 			<snapshots>
 				<enabled>false</enabled>
 			</snapshots>
diff --git a/spring-cloud-function-samples/function-sample-spring-integration/pom.xml b/spring-cloud-function-samples/function-sample-spring-integration/pom.xml
index a5895a42a..79e60030d 100644
--- a/spring-cloud-function-samples/function-sample-spring-integration/pom.xml
+++ b/spring-cloud-function-samples/function-sample-spring-integration/pom.xml
@@ -12,7 +12,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>3.5.0</version>
+		<version>4.0.0-SNAPSHOT</version>
 		<relativePath />
 	</parent>
 
@@ -82,7 +82,7 @@
 		<repository>
 			<id>spring-snapshots</id>
 			<name>Spring Snapshots</name>
-			<url>https://repo.spring.io/libs-snapshot-local</url>
+			<url>https://repo.spring.io/snapshot</url>
 			<snapshots>
 				<enabled>true</enabled>
 			</snapshots>
@@ -93,7 +93,7 @@
 		<repository>
 			<id>spring-milestones</id>
 			<name>Spring Milestones</name>
-			<url>https://repo.spring.io/libs-milestone-local</url>
+			<url>https://repo.spring.io/milestone</url>
 			<snapshots>
 				<enabled>false</enabled>
 			</snapshots>
@@ -111,7 +111,7 @@
 		<pluginRepository>
 			<id>spring-snapshots</id>
 			<name>Spring Snapshots</name>
-			<url>https://repo.spring.io/libs-snapshot-local</url>
+			<url>https://repo.spring.io/snapshot</url>
 			<snapshots>
 				<enabled>true</enabled>
 			</snapshots>
@@ -122,7 +122,7 @@
 		<pluginRepository>
 			<id>spring-milestones</id>
 			<name>Spring Milestones</name>
-			<url>https://repo.spring.io/libs-milestone-local</url>
+			<url>https://repo.spring.io/milestone</url>
 			<snapshots>
 				<enabled>false</enabled>
 			</snapshots>
@@ -130,7 +130,7 @@
 		<pluginRepository>
 			<id>spring-releases</id>
 			<name>Spring Releases</name>
-			<url>https://repo.spring.io/libs-release-local</url>
+			<url>https://repo.spring.io/release</url>
 			<snapshots>
 				<enabled>false</enabled>
 			</snapshots>
diff --git a/spring-cloud-function-samples/function-sample-supplier-exporter/pom.xml b/spring-cloud-function-samples/function-sample-supplier-exporter/pom.xml
index 6fa68ec68..4eaf1ac21 100644
--- a/spring-cloud-function-samples/function-sample-supplier-exporter/pom.xml
+++ b/spring-cloud-function-samples/function-sample-supplier-exporter/pom.xml
@@ -14,7 +14,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>3.5.0</version>
+		<version>4.0.0-SNAPSHOT</version>
 		<relativePath/>
 	</parent>
 
@@ -122,12 +122,12 @@
 		<repository>
 			<id>spring-snapshots</id>
 			<name>Spring Snapshots</name>
-			<url>https://repo.spring.io/libs-snapshot-local</url>
+			<url>https://repo.spring.io/snapshot</url>
 		</repository>
 		<repository>
 			<id>spring-milestones</id>
 			<name>Spring Milestones</name>
-			<url>https://repo.spring.io/libs-milestone-local</url>
+			<url>https://repo.spring.io/milestone</url>
 		</repository>
 		<repository>
 			<id>spring-releases</id>
@@ -139,17 +139,17 @@
 		<pluginRepository>
 			<id>spring-snapshots</id>
 			<name>Spring Snapshots</name>
-			<url>https://repo.spring.io/libs-snapshot-local</url>
+			<url>https://repo.spring.io/snapshot</url>
 		</pluginRepository>
 		<pluginRepository>
 			<id>spring-milestones</id>
 			<name>Spring Milestones</name>
-			<url>https://repo.spring.io/libs-milestone-local</url>
+			<url>https://repo.spring.io/milestone</url>
 		</pluginRepository>
 		<pluginRepository>
 			<id>spring-releases</id>
 			<name>Spring Releases</name>
-			<url>https://repo.spring.io/libs-release-local</url>
+			<url>https://repo.spring.io/release</url>
 		</pluginRepository>
 	</pluginRepositories>
 </project>
diff --git a/spring-cloud-function-samples/function-sample-supplier-exporter/src/test/java/com/example/demo/ContainerTests.java b/spring-cloud-function-samples/function-sample-supplier-exporter/src/test/java/com/example/demo/ContainerTests.java
index 0b16a54a5..33d348c09 100644
--- a/spring-cloud-function-samples/function-sample-supplier-exporter/src/test/java/com/example/demo/ContainerTests.java
+++ b/spring-cloud-function-samples/function-sample-supplier-exporter/src/test/java/com/example/demo/ContainerTests.java
@@ -54,7 +54,7 @@ public class ContainerTests {
 				return result;
 			}, result -> result != null);
 			assertThat(response.getBody()).contains("hi foo!");
-			assertThat(response.getHeaders()).containsKey("X-Amzn-Requestid");
+			assertThat(response.getHeaders().headerNames()).contains("X-Amzn-Requestid");
 		}
 		String output = consumer.toUtf8String();
 		assertThat(output).contains("Lambda API listening on port 9001");
diff --git a/spring-cloud-function-samples/function-sample/pom.xml b/spring-cloud-function-samples/function-sample/pom.xml
index 3546698b4..147bf4724 100644
--- a/spring-cloud-function-samples/function-sample/pom.xml
+++ b/spring-cloud-function-samples/function-sample/pom.xml
@@ -14,7 +14,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>3.5.0</version>
+		<version>4.0.0-SNAPSHOT</version>
 		<relativePath />
 	</parent>
 
@@ -83,7 +83,7 @@
 		<repository>
 			<id>spring-snapshots</id>
 			<name>Spring Snapshots</name>
-			<url>https://repo.spring.io/libs-snapshot-local</url>
+			<url>https://repo.spring.io/snapshot</url>
 			<snapshots>
 				<enabled>true</enabled>
 			</snapshots>
@@ -94,7 +94,7 @@
 		<repository>
 			<id>spring-milestones</id>
 			<name>Spring Milestones</name>
-			<url>https://repo.spring.io/libs-milestone-local</url>
+			<url>https://repo.spring.io/milestone</url>
 			<snapshots>
 				<enabled>false</enabled>
 			</snapshots>
@@ -112,7 +112,7 @@
 		<pluginRepository>
 			<id>spring-snapshots</id>
 			<name>Spring Snapshots</name>
-			<url>https://repo.spring.io/libs-snapshot-local</url>
+			<url>https://repo.spring.io/snapshot</url>
 			<snapshots>
 				<enabled>true</enabled>
 			</snapshots>
@@ -123,7 +123,7 @@
 		<pluginRepository>
 			<id>spring-milestones</id>
 			<name>Spring Milestones</name>
-			<url>https://repo.spring.io/libs-milestone-local</url>
+			<url>https://repo.spring.io/milestone</url>
 			<snapshots>
 				<enabled>false</enabled>
 			</snapshots>
@@ -131,7 +131,7 @@
 		<pluginRepository>
 			<id>spring-releases</id>
 			<name>Spring Releases</name>
-			<url>https://repo.spring.io/libs-release-local</url>
+			<url>https://repo.spring.io/release</url>
 			<snapshots>
 				<enabled>false</enabled>
 			</snapshots>
diff --git a/spring-cloud-function-samples/pom.xml b/spring-cloud-function-samples/pom.xml
index 60495db4c..403778f5c 100644
--- a/spring-cloud-function-samples/pom.xml
+++ b/spring-cloud-function-samples/pom.xml
@@ -52,12 +52,12 @@
 		<repository>
 			<id>spring-snapshots</id>
 			<name>Spring Snapshots</name>
-			<url>https://repo.spring.io/libs-snapshot-local</url>
+			<url>https://repo.spring.io/snapshot</url>
 		</repository>
 		<repository>
 			<id>spring-milestones</id>
 			<name>Spring Milestones</name>
-			<url>https://repo.spring.io/libs-milestone-local</url>
+			<url>https://repo.spring.io/milestone</url>
 		</repository>
 		<repository>
 			<id>spring-releases</id>
diff --git a/spring-cloud-function-samples/scf-aws-day1/pom.xml b/spring-cloud-function-samples/scf-aws-day1/pom.xml
index bf92fc90f..84ff6fe32 100644
--- a/spring-cloud-function-samples/scf-aws-day1/pom.xml
+++ b/spring-cloud-function-samples/scf-aws-day1/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>3.5.0</version>
+		<version>4.0.0-SNAPSHOT</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 	<groupId>oz.spring</groupId>
diff --git a/spring-cloud-function-samples/scf-aws-routing/pom.xml b/spring-cloud-function-samples/scf-aws-routing/pom.xml
index ef07fa7f6..915bd6158 100644
--- a/spring-cloud-function-samples/scf-aws-routing/pom.xml
+++ b/spring-cloud-function-samples/scf-aws-routing/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>3.5.0</version>
+		<version>4.0.0-SNAPSHOT</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 	<groupId>oz.spring</groupId>