diff --git a/docs/src/test/bats/fixtures/gs-contract-rest/complete/contract-rest-client/pom.xml b/docs/src/test/bats/fixtures/gs-contract-rest/complete/contract-rest-client/pom.xml
index fd447ae2..a78d5207 100644
--- a/docs/src/test/bats/fixtures/gs-contract-rest/complete/contract-rest-client/pom.xml
+++ b/docs/src/test/bats/fixtures/gs-contract-rest/complete/contract-rest-client/pom.xml
@@ -11,7 +11,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>2.3.8.RELEASE</version>
+		<version>2.3.9.RELEASE</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 
diff --git a/docs/src/test/bats/fixtures/gs-contract-rest/complete/contract-rest-service/pom.xml b/docs/src/test/bats/fixtures/gs-contract-rest/complete/contract-rest-service/pom.xml
index 7dbadc99..9c88db76 100644
--- a/docs/src/test/bats/fixtures/gs-contract-rest/complete/contract-rest-service/pom.xml
+++ b/docs/src/test/bats/fixtures/gs-contract-rest/complete/contract-rest-service/pom.xml
@@ -11,7 +11,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>2.3.8.RELEASE</version>
+		<version>2.3.9.RELEASE</version>
 		<relativePath /> <!-- lookup parent from repository -->
 	</parent>
 
diff --git a/docs/src/test/bats/fixtures/gs-contract-rest/initial/contract-rest-client/pom.xml b/docs/src/test/bats/fixtures/gs-contract-rest/initial/contract-rest-client/pom.xml
index fd447ae2..a78d5207 100644
--- a/docs/src/test/bats/fixtures/gs-contract-rest/initial/contract-rest-client/pom.xml
+++ b/docs/src/test/bats/fixtures/gs-contract-rest/initial/contract-rest-client/pom.xml
@@ -11,7 +11,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>2.3.8.RELEASE</version>
+		<version>2.3.9.RELEASE</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 
diff --git a/docs/src/test/bats/fixtures/gs-contract-rest/initial/contract-rest-service/pom.xml b/docs/src/test/bats/fixtures/gs-contract-rest/initial/contract-rest-service/pom.xml
index 4be7aaaa..8f11c81c 100644
--- a/docs/src/test/bats/fixtures/gs-contract-rest/initial/contract-rest-service/pom.xml
+++ b/docs/src/test/bats/fixtures/gs-contract-rest/initial/contract-rest-service/pom.xml
@@ -11,7 +11,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>2.3.8.RELEASE</version>
+		<version>2.3.9.RELEASE</version>
 		<relativePath /> <!-- lookup parent from repository -->
 	</parent>
 
diff --git a/pom.xml b/pom.xml
index 8a32b6b3..137030f9 100644
--- a/pom.xml
+++ b/pom.xml
@@ -28,7 +28,7 @@
 		<maven.compiler.target>${java.version}</maven.compiler.target>
 		<main.basedir>${basedir}</main.basedir>
 		<docs.main>${project.artifactId}</docs.main>
-		<spring-boot.version>2.3.8.RELEASE</spring-boot.version>
+		<spring-boot.version>2.3.9.RELEASE</spring-boot.version>
 		<spring-cloud-build.version>2.3.3.BUILD-SNAPSHOT</spring-cloud-build.version>
 		<docs.resources.dir>${project.build.directory}/build-docs</docs.resources.dir>
 		<docs.classes.dir>${project.build.directory}/build-docs-classes</docs.classes.dir>
diff --git a/spring-cloud-build-dependencies/pom.xml b/spring-cloud-build-dependencies/pom.xml
index 0bca8b1d..6979b1f5 100644
--- a/spring-cloud-build-dependencies/pom.xml
+++ b/spring-cloud-build-dependencies/pom.xml
@@ -14,12 +14,12 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-dependencies</artifactId>
-		<version>2.3.8.RELEASE</version>
+		<version>2.3.9.RELEASE</version>
 		<relativePath/>
 	</parent>
 	<properties>
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-		<spring-boot.version>2.3.8.RELEASE</spring-boot.version>
+		<spring-boot.version>2.3.9.RELEASE</spring-boot.version>
 	</properties>
 	<build>
 		<plugins>