diff --git a/guides/gs-contract-rest/complete/contract-rest-client/pom.xml b/guides/gs-contract-rest/complete/contract-rest-client/pom.xml
index 2c51a29763..5428ac9a05 100644
--- a/guides/gs-contract-rest/complete/contract-rest-client/pom.xml
+++ b/guides/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>2.3.0.BUILD-SNAPSHOT</version>
+		<version>2.3.0.M4</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 
diff --git a/guides/gs-contract-rest/complete/contract-rest-service/pom.xml b/guides/gs-contract-rest/complete/contract-rest-service/pom.xml
index ada2339732..c800949d77 100644
--- a/guides/gs-contract-rest/complete/contract-rest-service/pom.xml
+++ b/guides/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>2.3.0.BUILD-SNAPSHOT</version>
+		<version>2.3.0.M4</version>
 		<relativePath /> <!-- lookup parent from repository -->
 	</parent>
 
diff --git a/guides/gs-contract-rest/initial/contract-rest-client/pom.xml b/guides/gs-contract-rest/initial/contract-rest-client/pom.xml
index c88411e9ff..7154572cc9 100644
--- a/guides/gs-contract-rest/initial/contract-rest-client/pom.xml
+++ b/guides/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>2.3.0.BUILD-SNAPSHOT</version>
+		<version>2.3.0.M4</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 
diff --git a/guides/gs-contract-rest/initial/contract-rest-service/pom.xml b/guides/gs-contract-rest/initial/contract-rest-service/pom.xml
index 50ff5f3598..a4330ade9f 100644
--- a/guides/gs-contract-rest/initial/contract-rest-service/pom.xml
+++ b/guides/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>2.3.0.BUILD-SNAPSHOT</version>
+		<version>2.3.0.M4</version>
 		<relativePath /> <!-- lookup parent from repository -->
 	</parent>
 
diff --git a/samples/standalone/contracts/com/example/server/pom.xml b/samples/standalone/contracts/com/example/server/pom.xml
index 0e686e8477..d9536276f1 100644
--- a/samples/standalone/contracts/com/example/server/pom.xml
+++ b/samples/standalone/contracts/com/example/server/pom.xml
@@ -14,7 +14,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>2.3.0.BUILD-SNAPSHOT</version>
+		<version>2.3.0.M4</version>
 		<relativePath/>
 	</parent>
 
@@ -22,7 +22,7 @@
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 		<java.version>1.8</java.version>
 		<spring-cloud-contract.version>3.0.0.BUILD-SNAPSHOT</spring-cloud-contract.version>
-		<spring-cloud-release.version>Ilford.BUILD-SNAPSHOT</spring-cloud-release.version>
+		<spring-cloud-release.version>2020-1.BUILD-SNAPSHOT</spring-cloud-release.version>
 		<excludeBuildFolders>true</excludeBuildFolders>
 	</properties>
 
diff --git a/samples/standalone/dsl/http-client/gradle.properties b/samples/standalone/dsl/http-client/gradle.properties
index 128b83544b..c8ff9f0547 100644
--- a/samples/standalone/dsl/http-client/gradle.properties
+++ b/samples/standalone/dsl/http-client/gradle.properties
@@ -1,3 +1,3 @@
 org.gradle.daemon=false
-BOM_VERSION=Ilford.BUILD-SNAPSHOT
-bootVersion=2.3.0.BUILD-SNAPSHOT
\ No newline at end of file
+BOM_VERSION=2020-1.BUILD-SNAPSHOT
+bootVersion=2.3.0.M4
\ No newline at end of file
diff --git a/samples/standalone/dsl/http-client/pom.xml b/samples/standalone/dsl/http-client/pom.xml
index 3874f8c2ed..df3d1de698 100644
--- a/samples/standalone/dsl/http-client/pom.xml
+++ b/samples/standalone/dsl/http-client/pom.xml
@@ -14,14 +14,14 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>2.3.0.BUILD-SNAPSHOT</version>
+		<version>2.3.0.M4</version>
 		<relativePath/>
 	</parent>
 
 	<properties>
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 		<java.version>1.8</java.version>
-		<spring-cloud-release-train.version>Ilford.BUILD-SNAPSHOT
+		<spring-cloud-release-train.version>2020-1.BUILD-SNAPSHOT
 		</spring-cloud-release-train.version>
 	</properties>
 
diff --git a/samples/standalone/dsl/http-server/gradle.properties b/samples/standalone/dsl/http-server/gradle.properties
index 2ffcb7d9fc..d4a1ba0239 100644
--- a/samples/standalone/dsl/http-server/gradle.properties
+++ b/samples/standalone/dsl/http-server/gradle.properties
@@ -1,4 +1,4 @@
 org.gradle.daemon=false
 verifierVersion=3.0.0.BUILD-SNAPSHOT
-BOM_VERSION=Ilford.BUILD-SNAPSHOT
-bootVersion=2.3.0.BUILD-SNAPSHOT
\ No newline at end of file
+BOM_VERSION=2020-1.BUILD-SNAPSHOT
+bootVersion=2.3.0.M4
\ No newline at end of file
diff --git a/samples/standalone/dsl/http-server/pom.xml b/samples/standalone/dsl/http-server/pom.xml
index 2315ce742d..7d5194e96e 100644
--- a/samples/standalone/dsl/http-server/pom.xml
+++ b/samples/standalone/dsl/http-server/pom.xml
@@ -14,7 +14,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>2.3.0.BUILD-SNAPSHOT</version>
+		<version>2.3.0.M4</version>
 		<relativePath/>
 	</parent>
 
@@ -22,7 +22,7 @@
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 		<java.version>1.8</java.version>
 		<spring-cloud-contract.version>3.0.0.BUILD-SNAPSHOT</spring-cloud-contract.version>
-		<spring-cloud-release.version>Ilford.BUILD-SNAPSHOT
+		<spring-cloud-release.version>2020-1.BUILD-SNAPSHOT
 		</spring-cloud-release.version>
 	</properties>
 
diff --git a/samples/standalone/restdocs/http-client/gradle.properties b/samples/standalone/restdocs/http-client/gradle.properties
index 2ffcb7d9fc..d4a1ba0239 100644
--- a/samples/standalone/restdocs/http-client/gradle.properties
+++ b/samples/standalone/restdocs/http-client/gradle.properties
@@ -1,4 +1,4 @@
 org.gradle.daemon=false
 verifierVersion=3.0.0.BUILD-SNAPSHOT
-BOM_VERSION=Ilford.BUILD-SNAPSHOT
-bootVersion=2.3.0.BUILD-SNAPSHOT
\ No newline at end of file
+BOM_VERSION=2020-1.BUILD-SNAPSHOT
+bootVersion=2.3.0.M4
\ No newline at end of file
diff --git a/samples/standalone/restdocs/http-client/pom.xml b/samples/standalone/restdocs/http-client/pom.xml
index ef5a1c35a9..cad28d6fe5 100644
--- a/samples/standalone/restdocs/http-client/pom.xml
+++ b/samples/standalone/restdocs/http-client/pom.xml
@@ -31,7 +31,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>2.3.0.BUILD-SNAPSHOT</version>
+		<version>2.3.0.M4</version>
 		<relativePath/>
 	</parent>
 
diff --git a/samples/standalone/restdocs/http-server/gradle.properties b/samples/standalone/restdocs/http-server/gradle.properties
index 2ffcb7d9fc..d4a1ba0239 100644
--- a/samples/standalone/restdocs/http-server/gradle.properties
+++ b/samples/standalone/restdocs/http-server/gradle.properties
@@ -1,4 +1,4 @@
 org.gradle.daemon=false
 verifierVersion=3.0.0.BUILD-SNAPSHOT
-BOM_VERSION=Ilford.BUILD-SNAPSHOT
-bootVersion=2.3.0.BUILD-SNAPSHOT
\ No newline at end of file
+BOM_VERSION=2020-1.BUILD-SNAPSHOT
+bootVersion=2.3.0.M4
\ No newline at end of file
diff --git a/samples/standalone/restdocs/http-server/pom.xml b/samples/standalone/restdocs/http-server/pom.xml
index c488f22484..f4ab8da599 100644
--- a/samples/standalone/restdocs/http-server/pom.xml
+++ b/samples/standalone/restdocs/http-server/pom.xml
@@ -14,7 +14,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>2.3.0.BUILD-SNAPSHOT</version>
+		<version>2.3.0.M4</version>
 		<relativePath/>
 	</parent>
 
diff --git a/samples/standalone/webclient/http-client/gradle.properties b/samples/standalone/webclient/http-client/gradle.properties
index 2ffcb7d9fc..f48db5cc8b 100644
--- a/samples/standalone/webclient/http-client/gradle.properties
+++ b/samples/standalone/webclient/http-client/gradle.properties
@@ -1,4 +1,4 @@
 org.gradle.daemon=false
 verifierVersion=3.0.0.BUILD-SNAPSHOT
-BOM_VERSION=Ilford.BUILD-SNAPSHOT
-bootVersion=2.3.0.BUILD-SNAPSHOT
\ No newline at end of file
+BOM_VERSION=2020-1.BUILD-SNAPSHOT
+bootVersion=2.3.0.M4T
\ No newline at end of file
diff --git a/samples/standalone/webclient/http-client/pom.xml b/samples/standalone/webclient/http-client/pom.xml
index abe117bfc1..86f647417a 100644
--- a/samples/standalone/webclient/http-client/pom.xml
+++ b/samples/standalone/webclient/http-client/pom.xml
@@ -14,7 +14,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>2.3.0.BUILD-SNAPSHOT</version>
+		<version>2.3.0.M4</version>
 		<relativePath/>
 	</parent>
 
diff --git a/samples/standalone/webclient/http-server/gradle.properties b/samples/standalone/webclient/http-server/gradle.properties
index 2ffcb7d9fc..d4a1ba0239 100644
--- a/samples/standalone/webclient/http-server/gradle.properties
+++ b/samples/standalone/webclient/http-server/gradle.properties
@@ -1,4 +1,4 @@
 org.gradle.daemon=false
 verifierVersion=3.0.0.BUILD-SNAPSHOT
-BOM_VERSION=Ilford.BUILD-SNAPSHOT
-bootVersion=2.3.0.BUILD-SNAPSHOT
\ No newline at end of file
+BOM_VERSION=2020-1.BUILD-SNAPSHOT
+bootVersion=2.3.0.M4
\ No newline at end of file
diff --git a/samples/standalone/webclient/http-server/pom.xml b/samples/standalone/webclient/http-server/pom.xml
index 64433ece5d..994af1eba4 100644
--- a/samples/standalone/webclient/http-server/pom.xml
+++ b/samples/standalone/webclient/http-server/pom.xml
@@ -14,7 +14,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>2.3.0.BUILD-SNAPSHOT</version>
+		<version>2.3.0.M4</version>
 		<relativePath/>
 	</parent>
 
diff --git a/samples/wiremock-jetty/pom.xml b/samples/wiremock-jetty/pom.xml
index 30533c0000..9cb7ad9f38 100644
--- a/samples/wiremock-jetty/pom.xml
+++ b/samples/wiremock-jetty/pom.xml
@@ -14,7 +14,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>2.3.0.BUILD-SNAPSHOT</version>
+		<version>2.3.0.M4</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 
diff --git a/samples/wiremock-native/pom.xml b/samples/wiremock-native/pom.xml
index 9e66fb47fa..4a88ca8045 100644
--- a/samples/wiremock-native/pom.xml
+++ b/samples/wiremock-native/pom.xml
@@ -14,7 +14,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>2.3.0.BUILD-SNAPSHOT</version>
+		<version>2.3.0.M4</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 
diff --git a/samples/wiremock-tomcat/pom.xml b/samples/wiremock-tomcat/pom.xml
index 5fe916ec00..99c5517a35 100644
--- a/samples/wiremock-tomcat/pom.xml
+++ b/samples/wiremock-tomcat/pom.xml
@@ -14,7 +14,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>2.3.0.BUILD-SNAPSHOT</version>
+		<version>2.3.0.M4</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 
diff --git a/samples/wiremock-undertow-ssl/pom.xml b/samples/wiremock-undertow-ssl/pom.xml
index 1bb46b9c54..cf9dee4bbb 100644
--- a/samples/wiremock-undertow-ssl/pom.xml
+++ b/samples/wiremock-undertow-ssl/pom.xml
@@ -14,7 +14,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>2.3.0.BUILD-SNAPSHOT</version>
+		<version>2.3.0.M4</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 
diff --git a/samples/wiremock-undertow/pom.xml b/samples/wiremock-undertow/pom.xml
index 5e71130a57..663f9be983 100644
--- a/samples/wiremock-undertow/pom.xml
+++ b/samples/wiremock-undertow/pom.xml
@@ -14,7 +14,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>2.3.0.BUILD-SNAPSHOT</version>
+		<version>2.3.0.M4</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 
diff --git a/samples/wiremock/pom.xml b/samples/wiremock/pom.xml
index 93ad01e535..46e90155e2 100644
--- a/samples/wiremock/pom.xml
+++ b/samples/wiremock/pom.xml
@@ -14,7 +14,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>2.3.0.BUILD-SNAPSHOT</version>
+		<version>2.3.0.M4</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 
diff --git a/spring-cloud-contract-tools/spring-cloud-contract-gradle-plugin/src/test/resources/functionalTest/scenarioProject/gradle.properties b/spring-cloud-contract-tools/spring-cloud-contract-gradle-plugin/src/test/resources/functionalTest/scenarioProject/gradle.properties
index e3b40d22ec..56badfcf68 100644
--- a/spring-cloud-contract-tools/spring-cloud-contract-gradle-plugin/src/test/resources/functionalTest/scenarioProject/gradle.properties
+++ b/spring-cloud-contract-tools/spring-cloud-contract-gradle-plugin/src/test/resources/functionalTest/scenarioProject/gradle.properties
@@ -16,5 +16,5 @@
 wiremockVersion=2.26.3
 jsonAssertVersion=0.4.13
 verifierVersion=3.0.0.BUILD-SNAPSHOT
-bootVersion=2.3.0.BUILD-SNAPSHOT
+bootVersion=2.3.0.M4
 groovyVersion=2.4.17
diff --git a/spring-cloud-contract-tools/spring-cloud-contract-gradle-plugin/src/test/resources/functionalTest/scenarioProjectKotlin/gradle.properties b/spring-cloud-contract-tools/spring-cloud-contract-gradle-plugin/src/test/resources/functionalTest/scenarioProjectKotlin/gradle.properties
index e3b40d22ec..56badfcf68 100644
--- a/spring-cloud-contract-tools/spring-cloud-contract-gradle-plugin/src/test/resources/functionalTest/scenarioProjectKotlin/gradle.properties
+++ b/spring-cloud-contract-tools/spring-cloud-contract-gradle-plugin/src/test/resources/functionalTest/scenarioProjectKotlin/gradle.properties
@@ -16,5 +16,5 @@
 wiremockVersion=2.26.3
 jsonAssertVersion=0.4.13
 verifierVersion=3.0.0.BUILD-SNAPSHOT
-bootVersion=2.3.0.BUILD-SNAPSHOT
+bootVersion=2.3.0.M4
 groovyVersion=2.4.17
diff --git a/spring-cloud-contract-tools/spring-cloud-contract-maven-plugin/src/test/projects/complex-configuration/pom.xml b/spring-cloud-contract-tools/spring-cloud-contract-maven-plugin/src/test/projects/complex-configuration/pom.xml
index e9f1584b9f..86b7c773fc 100644
--- a/spring-cloud-contract-tools/spring-cloud-contract-maven-plugin/src/test/projects/complex-configuration/pom.xml
+++ b/spring-cloud-contract-tools/spring-cloud-contract-maven-plugin/src/test/projects/complex-configuration/pom.xml
@@ -29,7 +29,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>2.3.0.BUILD-SNAPSHOT</version>
+		<version>2.3.0.M4</version>
 	</parent>
 
 	<dependencies>
diff --git a/spring-cloud-contract-tools/spring-cloud-contract-maven-plugin/src/test/projects/different-module-configuration/module/pom.xml b/spring-cloud-contract-tools/spring-cloud-contract-maven-plugin/src/test/projects/different-module-configuration/module/pom.xml
index 497360f847..fc8e1ff8b8 100644
--- a/spring-cloud-contract-tools/spring-cloud-contract-maven-plugin/src/test/projects/different-module-configuration/module/pom.xml
+++ b/spring-cloud-contract-tools/spring-cloud-contract-maven-plugin/src/test/projects/different-module-configuration/module/pom.xml
@@ -29,7 +29,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>2.3.0.BUILD-SNAPSHOT</version>
+		<version>2.3.0.M4</version>
 	</parent>
 
 	<dependencies>
diff --git a/spring-cloud-contract-tools/spring-cloud-contract-maven-plugin/src/test/projects/plugin-extension/pom.xml b/spring-cloud-contract-tools/spring-cloud-contract-maven-plugin/src/test/projects/plugin-extension/pom.xml
index 4c837410a5..639bda55da 100644
--- a/spring-cloud-contract-tools/spring-cloud-contract-maven-plugin/src/test/projects/plugin-extension/pom.xml
+++ b/spring-cloud-contract-tools/spring-cloud-contract-maven-plugin/src/test/projects/plugin-extension/pom.xml
@@ -29,7 +29,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>2.3.0.BUILD-SNAPSHOT</version>
+		<version>2.3.0.M4</version>
 	</parent>
 
 	<dependencies>
diff --git a/spring-cloud-contract-tools/spring-cloud-contract-maven-plugin/src/test/projects/spring-boot-groovy/pom.xml b/spring-cloud-contract-tools/spring-cloud-contract-maven-plugin/src/test/projects/spring-boot-groovy/pom.xml
index e3fe27552e..57a8c68174 100644
--- a/spring-cloud-contract-tools/spring-cloud-contract-maven-plugin/src/test/projects/spring-boot-groovy/pom.xml
+++ b/spring-cloud-contract-tools/spring-cloud-contract-maven-plugin/src/test/projects/spring-boot-groovy/pom.xml
@@ -29,7 +29,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>2.3.0.BUILD-SNAPSHOT</version>
+		<version>2.3.0.M4</version>
 	</parent>
 
 	<dependencies>
diff --git a/spring-cloud-contract-tools/spring-cloud-contract-maven-plugin/src/test/projects/spring-boot-java/pom.xml b/spring-cloud-contract-tools/spring-cloud-contract-maven-plugin/src/test/projects/spring-boot-java/pom.xml
index 4c837410a5..639bda55da 100644
--- a/spring-cloud-contract-tools/spring-cloud-contract-maven-plugin/src/test/projects/spring-boot-java/pom.xml
+++ b/spring-cloud-contract-tools/spring-cloud-contract-maven-plugin/src/test/projects/spring-boot-java/pom.xml
@@ -29,7 +29,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>2.3.0.BUILD-SNAPSHOT</version>
+		<version>2.3.0.M4</version>
 	</parent>
 
 	<dependencies>