diff --git a/docs/pom.xml b/docs/pom.xml
index 60527ff37..950052a52 100644
--- a/docs/pom.xml
+++ b/docs/pom.xml
@@ -7,7 +7,7 @@
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
 		<artifactId>spring-cloud-function-parent</artifactId>
-		<version>4.0.0-SNAPSHOT</version>
+		<version>4.0.0-M1</version>
 	</parent>
 	<packaging>pom</packaging>
 	<name>Spring Cloud Function Docs</name>
diff --git a/pom.xml b/pom.xml
index ba2b87556..01931661f 100644
--- a/pom.xml
+++ b/pom.xml
@@ -6,13 +6,13 @@
 
 	<artifactId>spring-cloud-function-parent</artifactId>
 	<name>Spring Cloud Function Parent</name>
-	<version>4.0.0-SNAPSHOT</version>
+	<version>4.0.0-M1</version>
 	<packaging>pom</packaging>
 
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
 		<artifactId>spring-cloud-build</artifactId>
-		<version>4.0.0-SNAPSHOT</version>
+		<version>4.0.0-M1</version>
 		<relativePath/>
 	</parent>
 
diff --git a/spring-cloud-function-adapters/pom.xml b/spring-cloud-function-adapters/pom.xml
index e78de8ad4..d768e849f 100644
--- a/spring-cloud-function-adapters/pom.xml
+++ b/spring-cloud-function-adapters/pom.xml
@@ -10,7 +10,7 @@
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
 		<artifactId>spring-cloud-function-parent</artifactId>
-		<version>4.0.0-SNAPSHOT</version>
+		<version>4.0.0-M1</version>
 	</parent>
 
 	<name>spring-cloud-function-adapter-parent</name>
diff --git a/spring-cloud-function-adapters/spring-cloud-function-adapter-aws/pom.xml b/spring-cloud-function-adapters/spring-cloud-function-adapter-aws/pom.xml
index 7c47ab30a..521efa6c1 100644
--- a/spring-cloud-function-adapters/spring-cloud-function-adapter-aws/pom.xml
+++ b/spring-cloud-function-adapters/spring-cloud-function-adapter-aws/pom.xml
@@ -13,7 +13,7 @@
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
 		<artifactId>spring-cloud-function-adapter-parent</artifactId>
-		<version>4.0.0-SNAPSHOT</version>
+		<version>4.0.0-M1</version>
 	</parent>
 
 	<properties>
diff --git a/spring-cloud-function-adapters/spring-cloud-function-adapter-azure/pom.xml b/spring-cloud-function-adapters/spring-cloud-function-adapter-azure/pom.xml
index fed34cf64..a4a8ee24d 100644
--- a/spring-cloud-function-adapters/spring-cloud-function-adapter-azure/pom.xml
+++ b/spring-cloud-function-adapters/spring-cloud-function-adapter-azure/pom.xml
@@ -13,7 +13,7 @@
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
 		<artifactId>spring-cloud-function-adapter-parent</artifactId>
-		<version>4.0.0-SNAPSHOT</version>
+		<version>4.0.0-M1</version>
 	</parent>
 
 	<properties>
diff --git a/spring-cloud-function-adapters/spring-cloud-function-adapter-gcp/pom.xml b/spring-cloud-function-adapters/spring-cloud-function-adapter-gcp/pom.xml
index 091a93738..8f28d85c6 100644
--- a/spring-cloud-function-adapters/spring-cloud-function-adapter-gcp/pom.xml
+++ b/spring-cloud-function-adapters/spring-cloud-function-adapter-gcp/pom.xml
@@ -11,7 +11,7 @@
 	<parent>
 		<artifactId>spring-cloud-function-adapter-parent</artifactId>
 		<groupId>org.springframework.cloud</groupId>
-		<version>4.0.0-SNAPSHOT</version>
+		<version>4.0.0-M1</version>
 	</parent>
 
 	<properties>
diff --git a/spring-cloud-function-adapters/spring-cloud-function-adapter-openwhisk/pom.xml b/spring-cloud-function-adapters/spring-cloud-function-adapter-openwhisk/pom.xml
index 149ca38b5..52c55c3ad 100644
--- a/spring-cloud-function-adapters/spring-cloud-function-adapter-openwhisk/pom.xml
+++ b/spring-cloud-function-adapters/spring-cloud-function-adapter-openwhisk/pom.xml
@@ -13,7 +13,7 @@
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
 		<artifactId>spring-cloud-function-adapter-parent</artifactId>
-		<version>4.0.0-SNAPSHOT</version>
+		<version>4.0.0-M1</version>
 	</parent>
 
 	<dependencies>
diff --git a/spring-cloud-function-adapters/spring-cloud-function-grpc-cloudevent-ext/pom.xml b/spring-cloud-function-adapters/spring-cloud-function-grpc-cloudevent-ext/pom.xml
index 9853012bb..5c2b43619 100644
--- a/spring-cloud-function-adapters/spring-cloud-function-grpc-cloudevent-ext/pom.xml
+++ b/spring-cloud-function-adapters/spring-cloud-function-grpc-cloudevent-ext/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
 		<artifactId>spring-cloud-function-adapter-parent</artifactId>
-		<version>4.0.0-SNAPSHOT</version>
+		<version>4.0.0-M1</version>
 	</parent>
 	<artifactId>spring-cloud-function-grpc-cloudevent-ext</artifactId>
 	<name>spring-cloud-function-grpc-cloudevent-ext</name>
diff --git a/spring-cloud-function-adapters/spring-cloud-function-grpc/pom.xml b/spring-cloud-function-adapters/spring-cloud-function-grpc/pom.xml
index bec41efae..02f78ae3d 100644
--- a/spring-cloud-function-adapters/spring-cloud-function-grpc/pom.xml
+++ b/spring-cloud-function-adapters/spring-cloud-function-grpc/pom.xml
@@ -12,7 +12,7 @@
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
 		<artifactId>spring-cloud-function-adapter-parent</artifactId>
-		<version>4.0.0-SNAPSHOT</version>
+		<version>4.0.0-M1</version>
 	</parent>
 
 	<properties>
diff --git a/spring-cloud-function-compiler/pom.xml b/spring-cloud-function-compiler/pom.xml
index 3592c6a23..7e899aa26 100644
--- a/spring-cloud-function-compiler/pom.xml
+++ b/spring-cloud-function-compiler/pom.xml
@@ -12,7 +12,7 @@
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
 		<artifactId>spring-cloud-function-parent</artifactId>
-		<version>4.0.0-SNAPSHOT</version>
+		<version>4.0.0-M1</version>
 	</parent>
 
 	<dependencies>
diff --git a/spring-cloud-function-context/pom.xml b/spring-cloud-function-context/pom.xml
index fb79aec29..229fc4959 100644
--- a/spring-cloud-function-context/pom.xml
+++ b/spring-cloud-function-context/pom.xml
@@ -12,7 +12,7 @@
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
 		<artifactId>spring-cloud-function-parent</artifactId>
-		<version>4.0.0-SNAPSHOT</version>
+		<version>4.0.0-M1</version>
 	</parent>
 
 	<properties>
diff --git a/spring-cloud-function-core/pom.xml b/spring-cloud-function-core/pom.xml
index 14a51730a..3b6b2cc9f 100644
--- a/spring-cloud-function-core/pom.xml
+++ b/spring-cloud-function-core/pom.xml
@@ -12,7 +12,7 @@
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
 		<artifactId>spring-cloud-function-parent</artifactId>
-		<version>4.0.0-SNAPSHOT</version>
+		<version>4.0.0-M1</version>
 	</parent>
 
 	<dependencies>
diff --git a/spring-cloud-function-dependencies/pom.xml b/spring-cloud-function-dependencies/pom.xml
index 9dd103699..78874f765 100644
--- a/spring-cloud-function-dependencies/pom.xml
+++ b/spring-cloud-function-dependencies/pom.xml
@@ -6,11 +6,11 @@
 	<parent>
 		<artifactId>spring-cloud-dependencies-parent</artifactId>
 		<groupId>org.springframework.cloud</groupId>
-		<version>4.0.0-SNAPSHOT</version>
+		<version>4.0.0-M1</version>
 		<relativePath/>
 	</parent>
 	<artifactId>spring-cloud-function-dependencies</artifactId>
-	<version>4.0.0-SNAPSHOT</version>
+	<version>4.0.0-M1</version>
 	<packaging>pom</packaging>
 	<name>Spring Cloud Function Dependencies</name>
 	<description>Spring Cloud Function Dependencies</description>
diff --git a/spring-cloud-function-deployer/pom.xml b/spring-cloud-function-deployer/pom.xml
index d3dc88e64..1e9579c7e 100644
--- a/spring-cloud-function-deployer/pom.xml
+++ b/spring-cloud-function-deployer/pom.xml
@@ -10,7 +10,7 @@
 		<parent>
 			<groupId>org.springframework.cloud</groupId>
 			<artifactId>spring-cloud-function-parent</artifactId>
-			<version>4.0.0-SNAPSHOT</version>
+			<version>4.0.0-M1</version>
 		</parent>
 
 	<properties>
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 a7bc3e126..a520bfbb5 100644
--- a/spring-cloud-function-deployer/src/it/bootapp-multi/pom.xml
+++ b/spring-cloud-function-deployer/src/it/bootapp-multi/pom.xml
@@ -12,13 +12,13 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>3.0.0-SNAPSHOT</version>
+		<version>3.0.0-M1</version>
 		<relativePath/>
 	</parent>
 
 	<properties>
 		<java.version>1.8</java.version>
-		<spring-cloud-function.version>4.0.0-SNAPSHOT</spring-cloud-function.version>
+		<spring-cloud-function.version>4.0.0-M1</spring-cloud-function.version>
 		<wrapper.version>1.0.27.RELEASE</wrapper.version>
 	</properties>
 
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 d8444f13c..a45268b0b 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
@@ -12,13 +12,13 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>3.0.0-SNAPSHOT</version>
+		<version>3.0.0-M1</version>
 		<relativePath />
 	</parent>
 
 	<properties>
 		<java.version>1.8</java.version>
-		<spring-cloud-function.version>4.0.0-SNAPSHOT</spring-cloud-function.version>
+		<spring-cloud-function.version>4.0.0-M1</spring-cloud-function.version>
 		<wrapper.version>1.0.27.RELEASE</wrapper.version>
 	</properties>
 
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 c2045865b..47012bbe3 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
@@ -12,13 +12,13 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>3.0.0-SNAPSHOT</version>
+		<version>3.0.0-M1</version>
 		<relativePath/>
 	</parent>
 
 	<properties>
 		<java.version>1.8</java.version>
-		<spring-cloud-function.version>4.0.0-SNAPSHOT</spring-cloud-function.version>
+		<spring-cloud-function.version>4.0.0-M1</spring-cloud-function.version>
 		<wrapper.version>1.0.27.RELEASE</wrapper.version>
 	</properties>
 
diff --git a/spring-cloud-function-deployer/src/it/bootapp/pom.xml b/spring-cloud-function-deployer/src/it/bootapp/pom.xml
index b29233724..2b99ac4a8 100644
--- a/spring-cloud-function-deployer/src/it/bootapp/pom.xml
+++ b/spring-cloud-function-deployer/src/it/bootapp/pom.xml
@@ -12,13 +12,13 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>3.0.0-SNAPSHOT</version>
+		<version>3.0.0-M1</version>
 		<relativePath/>
 	</parent>
 
 	<properties>
 		<java.version>1.8</java.version>
-		<spring-cloud-function.version>4.0.0-SNAPSHOT</spring-cloud-function.version>
+		<spring-cloud-function.version>4.0.0-M1</spring-cloud-function.version>
 		<wrapper.version>1.0.27.RELEASE</wrapper.version>
 	</properties>
 
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 435c5e178..17eb45909 100644
--- a/spring-cloud-function-deployer/src/it/bootjar-multi/pom.xml
+++ b/spring-cloud-function-deployer/src/it/bootjar-multi/pom.xml
@@ -12,13 +12,13 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>3.0.0-SNAPSHOT</version>
+		<version>3.0.0-M1</version>
 		<relativePath/>
 	</parent>
 
 	<properties>
 		<java.version>1.8</java.version>
-		<spring-cloud-function.version>4.0.0-SNAPSHOT</spring-cloud-function.version>
+		<spring-cloud-function.version>4.0.0-M1</spring-cloud-function.version>
 		<wrapper.version>1.0.27.RELEASE</wrapper.version>
 	</properties>
 
diff --git a/spring-cloud-function-deployer/src/it/bootjar/pom.xml b/spring-cloud-function-deployer/src/it/bootjar/pom.xml
index 433b061e5..7147eb311 100644
--- a/spring-cloud-function-deployer/src/it/bootjar/pom.xml
+++ b/spring-cloud-function-deployer/src/it/bootjar/pom.xml
@@ -12,13 +12,13 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>3.0.0-SNAPSHOT</version>
+		<version>3.0.0-M1</version>
 		<relativePath/>
 	</parent>
 
 	<properties>
 		<java.version>1.8</java.version>
-		<spring-cloud-function.version>4.0.0-SNAPSHOT</spring-cloud-function.version>
+		<spring-cloud-function.version>4.0.0-M1</spring-cloud-function.version>
 		<wrapper.version>1.0.27.RELEASE</wrapper.version>
 	</properties>
 
diff --git a/spring-cloud-function-deployer/src/it/bootjarnostart/pom.xml b/spring-cloud-function-deployer/src/it/bootjarnostart/pom.xml
index feb530736..7dd77460b 100644
--- a/spring-cloud-function-deployer/src/it/bootjarnostart/pom.xml
+++ b/spring-cloud-function-deployer/src/it/bootjarnostart/pom.xml
@@ -12,13 +12,13 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>3.0.0-SNAPSHOT</version>
+		<version>3.0.0-M1</version>
 		<relativePath />
 	</parent>
 
 	<properties>
 		<java.version>1.8</java.version>
-		<spring-cloud-function.version>4.0.0-SNAPSHOT</spring-cloud-function.version>
+		<spring-cloud-function.version>4.0.0-M1</spring-cloud-function.version>
 		<wrapper.version>1.0.27.RELEASE</wrapper.version>
 	</properties>
 
diff --git a/spring-cloud-function-kotlin/pom.xml b/spring-cloud-function-kotlin/pom.xml
index c26714810..66d51906f 100644
--- a/spring-cloud-function-kotlin/pom.xml
+++ b/spring-cloud-function-kotlin/pom.xml
@@ -12,7 +12,7 @@
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
 		<artifactId>spring-cloud-function-parent</artifactId>
-		<version>4.0.0-SNAPSHOT</version>
+		<version>4.0.0-M1</version>
 	</parent>
 
 	<dependencies>
diff --git a/spring-cloud-function-rsocket/pom.xml b/spring-cloud-function-rsocket/pom.xml
index 4ba1ae743..6fef68170 100644
--- a/spring-cloud-function-rsocket/pom.xml
+++ b/spring-cloud-function-rsocket/pom.xml
@@ -12,7 +12,7 @@
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
 		<artifactId>spring-cloud-function-parent</artifactId>
-		<version>4.0.0-SNAPSHOT</version>
+		<version>4.0.0-M1</version>
 	</parent>
 
 	<properties>
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 ad5336edd..2a25e5b91 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>3.0.0-SNAPSHOT</version>
+		<version>3.0.0-M1</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 
@@ -24,7 +24,7 @@
 		<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
 		<wrapper.version>1.0.27.RELEASE</wrapper.version>
 		<aws-lambda-events.version>3.9.0</aws-lambda-events.version>
-		<spring-cloud-function.version>4.0.0-SNAPSHOT</spring-cloud-function.version>
+		<spring-cloud-function.version>4.0.0-M1</spring-cloud-function.version>
 	</properties>
 
 	<dependencies>
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 277123c90..752a9b0e9 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>3.0.0-SNAPSHOT</version>
+		<version>3.0.0-M1</version>
 		<relativePath /> <!-- lookup parent from repository -->
 	</parent>
 	<groupId>io.spring.sample</groupId>
@@ -16,7 +16,7 @@
 
 	<properties>
 		<wrapper.version>1.0.27.RELEASE</wrapper.version>
-		<spring-cloud-function.version>4.0.0-SNAPSHOT</spring-cloud-function.version>
+		<spring-cloud-function.version>4.0.0-M1</spring-cloud-function.version>
 	</properties>
 
 	<dependencies>
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 0db7d4a4a..7a0176dea 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>3.0.0-SNAPSHOT</version>
+		<version>3.0.0-M1</version>
 		<relativePath /> <!-- lookup parent from repository -->
 	</parent>
 	<groupId>io.spring.sample</groupId>
@@ -16,7 +16,7 @@
 
 	<properties>
 		<wrapper.version>1.0.27.RELEASE</wrapper.version>
-		<spring-cloud-function.version>4.0.0-SNAPSHOT</spring-cloud-function.version>
+		<spring-cloud-function.version>4.0.0-M1</spring-cloud-function.version>
 	</properties>
 
 	<dependencies>
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 aa8bb8b1e..4fd137d8b 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>3.0.0-SNAPSHOT</version>
+		<version>3.0.0-M1</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 
@@ -24,7 +24,7 @@
 		<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
 		<wrapper.version>1.0.27.RELEASE</wrapper.version>
 		<aws-lambda-events.version>2.0.2</aws-lambda-events.version>
-		<spring-cloud-function.version>4.0.0-SNAPSHOT</spring-cloud-function.version>
+		<spring-cloud-function.version>4.0.0-M1</spring-cloud-function.version>
 	</properties>
 
 	<dependencies>
diff --git a/spring-cloud-function-samples/function-sample-aws/pom.xml b/spring-cloud-function-samples/function-sample-aws/pom.xml
index 7da9edbbb..265afb4f1 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>3.0.0-SNAPSHOT</version>
+		<version>3.0.0-M1</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 
@@ -24,7 +24,7 @@
 		<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
 		<wrapper.version>1.0.27.RELEASE</wrapper.version>
 		<aws-lambda-events.version>3.9.0</aws-lambda-events.version>
-		<spring-cloud-function.version>4.0.0-SNAPSHOT</spring-cloud-function.version>
+		<spring-cloud-function.version>4.0.0-M1</spring-cloud-function.version>
 	</properties>
 
 	<dependencies>
diff --git a/spring-cloud-function-samples/function-sample-azure/pom.xml b/spring-cloud-function-samples/function-sample-azure/pom.xml
index 5d49dcc99..2ebdc2e96 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>3.0.0-SNAPSHOT</version>
+		<version>3.0.0-M1</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 
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 67ba27e59..3ff7d1d2e 100644
--- a/spring-cloud-function-samples/function-sample-cloudevent-rsocket/pom.xml
+++ b/spring-cloud-function-samples/function-sample-cloudevent-rsocket/pom.xml
@@ -12,12 +12,12 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>3.0.0-SNAPSHOT</version>
+		<version>3.0.0-M1</version>
 		<relativePath/>
 	</parent>
 
 	<properties>
-		<spring-cloud-function.version>4.0.0-SNAPSHOT</spring-cloud-function.version>
+		<spring-cloud-function.version>4.0.0-M1</spring-cloud-function.version>
 		<wrapper.version>1.0.27.RELEASE</wrapper.version>
 	</properties>
 
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 5eb646eb9..3f48b0c8b 100644
--- a/spring-cloud-function-samples/function-sample-cloudevent-stream/pom.xml
+++ b/spring-cloud-function-samples/function-sample-cloudevent-stream/pom.xml
@@ -11,12 +11,12 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>3.0.0-SNAPSHOT</version>
+		<version>3.0.0-M1</version>
 		<relativePath/>
 	</parent>
 
 	<properties>
-		<spring-cloud-function.version>4.0.0-SNAPSHOT</spring-cloud-function.version>
+		<spring-cloud-function.version>4.0.0-M1</spring-cloud-function.version>
 		<wrapper.version>1.0.27.RELEASE</wrapper.version>
 	</properties>
 
diff --git a/spring-cloud-function-samples/function-sample-cloudevent/pom.xml b/spring-cloud-function-samples/function-sample-cloudevent/pom.xml
index 834e4aa9e..0f6dea834 100644
--- a/spring-cloud-function-samples/function-sample-cloudevent/pom.xml
+++ b/spring-cloud-function-samples/function-sample-cloudevent/pom.xml
@@ -11,12 +11,12 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>3.0.0-SNAPSHOT</version>
+		<version>3.0.0-M1</version>
 		<relativePath/>
 	</parent>
 
 	<properties>
-		<spring-cloud-function.version>4.0.0-SNAPSHOT</spring-cloud-function.version>
+		<spring-cloud-function.version>4.0.0-M1</spring-cloud-function.version>
 		<wrapper.version>1.0.27.RELEASE</wrapper.version>
 	</properties>
 
diff --git a/spring-cloud-function-samples/function-sample-compiler/pom.xml b/spring-cloud-function-samples/function-sample-compiler/pom.xml
index 6adaa1190..404a3f8ea 100644
--- a/spring-cloud-function-samples/function-sample-compiler/pom.xml
+++ b/spring-cloud-function-samples/function-sample-compiler/pom.xml
@@ -14,12 +14,12 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>3.0.0-SNAPSHOT</version>
+		<version>3.0.0-M1</version>
 		<relativePath/>
 	</parent>
 
 	<properties>
-		<spring-cloud-function.version>4.0.0-SNAPSHOT</spring-cloud-function.version>
+		<spring-cloud-function.version>4.0.0-M1</spring-cloud-function.version>
 		<reactor.version>3.1.2.RELEASE</reactor.version>
 		<wrapper.version>1.0.17.RELEASE</wrapper.version>
 	</properties>
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 171f4cc3b..2bf2cf2d2 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>3.0.0-SNAPSHOT</version>
+		<version>3.0.0-M1</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 
@@ -24,7 +24,7 @@
 		<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
 		<wrapper.version>1.0.27.RELEASE</wrapper.version>
 		<aws-lambda-events.version>2.0.2</aws-lambda-events.version>
-		<spring-cloud-function.version>4.0.0-SNAPSHOT</spring-cloud-function.version>
+		<spring-cloud-function.version>4.0.0-M1</spring-cloud-function.version>
 	</properties>
 
 	<dependencies>
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 1fa44627a..561d78e6d 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>3.0.0-SNAPSHOT</version>
+		<version>3.0.0-M1</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 
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 20a2bbc3a..8c9b02786 100644
--- a/spring-cloud-function-samples/function-sample-gcp-http/pom.xml
+++ b/spring-cloud-function-samples/function-sample-gcp-http/pom.xml
@@ -15,12 +15,12 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>3.0.0-SNAPSHOT</version>
+		<version>3.0.0-M1</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 
 	<properties>
-		<spring-cloud-function.version>4.0.0-SNAPSHOT</spring-cloud-function.version>
+		<spring-cloud-function.version>4.0.0-M1</spring-cloud-function.version>
 	</properties>
 
 	<dependencies>
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 ca001c973..5796c22d5 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>3.0.0-SNAPSHOT</version>
+		<version>3.0.0-M1</version>
 		<relativePath/> 
 	</parent>
 	<groupId>com.example.grpc</groupId>
@@ -16,7 +16,7 @@
 	<name>function-sample-grpc-cloudevent</name>
 	<description>Demo project for Spring Boot</description>
 	<properties>
-		<spring-cloud-function.version>4.0.0-SNAPSHOT</spring-cloud-function.version>
+		<spring-cloud-function.version>4.0.0-M1</spring-cloud-function.version>
 	</properties>
 	<dependencies>
 		<dependency>
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 3b081c326..73468c6e2 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>3.0.0-SNAPSHOT</version>
+		<version>3.0.0-M1</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 1c37adfda..345ecd5af 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>3.0.0-SNAPSHOT</version>
+		<version>3.0.0-M1</version>
 		<relativePath/>
 	</parent>
 
@@ -21,7 +21,7 @@
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 		<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
 		<reactor.version>3.1.2.RELEASE</reactor.version>
-		<spring-cloud-function.version>4.0.0-SNAPSHOT</spring-cloud-function.version>
+		<spring-cloud-function.version>4.0.0-M1</spring-cloud-function.version>
 	</properties>
 
 	<dependencies>
diff --git a/spring-cloud-function-samples/function-sample-pojo/pom.xml b/spring-cloud-function-samples/function-sample-pojo/pom.xml
index af9744684..679b5a7b4 100644
--- a/spring-cloud-function-samples/function-sample-pojo/pom.xml
+++ b/spring-cloud-function-samples/function-sample-pojo/pom.xml
@@ -14,12 +14,12 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>3.0.0-SNAPSHOT</version>
+		<version>3.0.0-M1</version>
 		<relativePath/>
 	</parent>
 
 	<properties>
-		<spring-cloud-function.version>4.0.0-SNAPSHOT</spring-cloud-function.version>
+		<spring-cloud-function.version>4.0.0-M1</spring-cloud-function.version>
 		<wrapper.version>1.0.27.RELEASE</wrapper.version>
 	</properties>
 
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 1b0e57384..9e70fc9bf 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>3.0.0-SNAPSHOT</version>
+		<version>3.0.0-M1</version>
 		<relativePath />
 	</parent>
 
@@ -20,7 +20,7 @@
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 		<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
 		<java.version>1.8</java.version>
-		<spring-cloud-function.version>4.0.0-SNAPSHOT</spring-cloud-function.version>
+		<spring-cloud-function.version>4.0.0-M1</spring-cloud-function.version>
 	</properties>
 
 	<dependencies>
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 88053396f..49cc48575 100644
--- a/spring-cloud-function-samples/function-sample-supplier-exporter/pom.xml
+++ b/spring-cloud-function-samples/function-sample-supplier-exporter/pom.xml
@@ -14,12 +14,12 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>3.0.0-SNAPSHOT</version>
+		<version>3.0.0-M1</version>
 		<relativePath/>
 	</parent>
 
 	<properties>
-		<spring-cloud-function.version>4.0.0-SNAPSHOT</spring-cloud-function.version>
+		<spring-cloud-function.version>4.0.0-M1</spring-cloud-function.version>
 	</properties>
 
 	<dependencies>
diff --git a/spring-cloud-function-samples/function-sample-task/pom.xml b/spring-cloud-function-samples/function-sample-task/pom.xml
index d08eaeeb2..2dca0b868 100644
--- a/spring-cloud-function-samples/function-sample-task/pom.xml
+++ b/spring-cloud-function-samples/function-sample-task/pom.xml
@@ -14,13 +14,13 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>3.0.0-SNAPSHOT</version>
+		<version>3.0.0-M1</version>
 		<relativePath/>
 	</parent>
 
 	<properties>
 		<java.version>1.8</java.version>
-		<spring-cloud-function.version>4.0.0-SNAPSHOT</spring-cloud-function.version>
+		<spring-cloud-function.version>4.0.0-M1</spring-cloud-function.version>
 		<wrapper.version>1.0.10.RELEASE</wrapper.version>
 		<reactor.version>3.1.2.RELEASE</reactor.version>
 	</properties>
diff --git a/spring-cloud-function-samples/function-sample/pom.xml b/spring-cloud-function-samples/function-sample/pom.xml
index c3981181e..a317b28ed 100644
--- a/spring-cloud-function-samples/function-sample/pom.xml
+++ b/spring-cloud-function-samples/function-sample/pom.xml
@@ -14,12 +14,12 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>3.0.0-SNAPSHOT</version>
+		<version>3.0.0-M1</version>
 		<relativePath />
 	</parent>
 
 	<properties>
-		<spring-cloud-function.version>4.0.0-SNAPSHOT</spring-cloud-function.version>
+		<spring-cloud-function.version>4.0.0-M1</spring-cloud-function.version>
 		<wrapper.version>1.0.27.RELEASE</wrapper.version>
 	</properties>
 
diff --git a/spring-cloud-function-samples/pom.xml b/spring-cloud-function-samples/pom.xml
index 9185ddc07..a476d012a 100644
--- a/spring-cloud-function-samples/pom.xml
+++ b/spring-cloud-function-samples/pom.xml
@@ -11,7 +11,7 @@
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
 		<artifactId>spring-cloud-function-parent</artifactId>
-		<version>4.0.0-SNAPSHOT</version>
+		<version>4.0.0-M1</version>
 	</parent>
 
 	<modules>
diff --git a/spring-cloud-function-task/pom.xml b/spring-cloud-function-task/pom.xml
index 5731b90d5..17afb5c81 100644
--- a/spring-cloud-function-task/pom.xml
+++ b/spring-cloud-function-task/pom.xml
@@ -12,7 +12,7 @@
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
 		<artifactId>spring-cloud-function-parent</artifactId>
-		<version>4.0.0-SNAPSHOT</version>
+		<version>4.0.0-M1</version>
 	</parent>
 
 	<dependencies>
diff --git a/spring-cloud-function-web/pom.xml b/spring-cloud-function-web/pom.xml
index d22873fde..d23447e2a 100644
--- a/spring-cloud-function-web/pom.xml
+++ b/spring-cloud-function-web/pom.xml
@@ -12,7 +12,7 @@
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
 		<artifactId>spring-cloud-function-parent</artifactId>
-		<version>4.0.0-SNAPSHOT</version>
+		<version>4.0.0-M1</version>
 	</parent>
 
 	<dependencies>
diff --git a/spring-cloud-starter-function-web/pom.xml b/spring-cloud-starter-function-web/pom.xml
index 04fa6ce0b..20469e828 100644
--- a/spring-cloud-starter-function-web/pom.xml
+++ b/spring-cloud-starter-function-web/pom.xml
@@ -6,7 +6,7 @@
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
 		<artifactId>spring-cloud-function-parent</artifactId>
-		<version>4.0.0-SNAPSHOT</version>
+		<version>4.0.0-M1</version>
 		<relativePath>..</relativePath>
 	</parent>
 	<artifactId>spring-cloud-starter-function-web</artifactId>
diff --git a/spring-cloud-starter-function-webflux/pom.xml b/spring-cloud-starter-function-webflux/pom.xml
index 994b8bf30..e40dc8027 100644
--- a/spring-cloud-starter-function-webflux/pom.xml
+++ b/spring-cloud-starter-function-webflux/pom.xml
@@ -6,7 +6,7 @@
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
 		<artifactId>spring-cloud-function-parent</artifactId>
-		<version>4.0.0-SNAPSHOT</version>
+		<version>4.0.0-M1</version>
 	</parent>
 	<artifactId>spring-cloud-starter-function-webflux</artifactId>
 	<name>spring-cloud-starter-function-webflux</name>