diff --git a/samples/standalone/contracts/com/example/server/pom.xml b/samples/standalone/contracts/com/example/server/pom.xml
index d26611c9fc..fa0e9f1a57 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>2.2.0.BUILD-SNAPSHOT</version>
+		<version>2.2.0.M4</version>
 		<relativePath/>
 	</parent>
 
diff --git a/samples/standalone/dsl/http-client/gradle.properties b/samples/standalone/dsl/http-client/gradle.properties
index 6b3c50fd63..bcbffbbc5e 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=Hoxton.BUILD-SNAPSHOT
-bootVersion=2.2.0.BUILD-SNAPSHOT
\ No newline at end of file
+bootVersion=2.2.0.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 1eae476bf2..1b9a277758 100644
--- a/samples/standalone/dsl/http-client/pom.xml
+++ b/samples/standalone/dsl/http-client/pom.xml
@@ -14,7 +14,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>2.2.0.BUILD-SNAPSHOT</version>
+		<version>2.2.0.M4</version>
 		<relativePath/>
 	</parent>
 
diff --git a/samples/standalone/dsl/http-server/gradle.properties b/samples/standalone/dsl/http-server/gradle.properties
index 4e2909074c..eaaccaedc3 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=2.2.0.BUILD-SNAPSHOT
 BOM_VERSION=Hoxton.BUILD-SNAPSHOT
-bootVersion=2.2.0.BUILD-SNAPSHOT
\ No newline at end of file
+bootVersion=2.2.0.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 214312a2f6..acb0903130 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>2.2.0.BUILD-SNAPSHOT</version>
+		<version>2.2.0.M4</version>
 		<relativePath/>
 	</parent>
 
diff --git a/samples/standalone/messaging/stream-sink/gradle.properties b/samples/standalone/messaging/stream-sink/gradle.properties
index 4e2909074c..eaaccaedc3 100644
--- a/samples/standalone/messaging/stream-sink/gradle.properties
+++ b/samples/standalone/messaging/stream-sink/gradle.properties
@@ -1,4 +1,4 @@
 org.gradle.daemon=false
 verifierVersion=2.2.0.BUILD-SNAPSHOT
 BOM_VERSION=Hoxton.BUILD-SNAPSHOT
-bootVersion=2.2.0.BUILD-SNAPSHOT
\ No newline at end of file
+bootVersion=2.2.0.M4
\ No newline at end of file
diff --git a/samples/standalone/messaging/stream-sink/pom.xml b/samples/standalone/messaging/stream-sink/pom.xml
index 7ef541b9b4..855be41555 100644
--- a/samples/standalone/messaging/stream-sink/pom.xml
+++ b/samples/standalone/messaging/stream-sink/pom.xml
@@ -15,7 +15,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>2.2.0.BUILD-SNAPSHOT</version>
+		<version>2.2.0.M4</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 
diff --git a/samples/standalone/messaging/stream-source/gradle.properties b/samples/standalone/messaging/stream-source/gradle.properties
index 4e2909074c..eaaccaedc3 100644
--- a/samples/standalone/messaging/stream-source/gradle.properties
+++ b/samples/standalone/messaging/stream-source/gradle.properties
@@ -1,4 +1,4 @@
 org.gradle.daemon=false
 verifierVersion=2.2.0.BUILD-SNAPSHOT
 BOM_VERSION=Hoxton.BUILD-SNAPSHOT
-bootVersion=2.2.0.BUILD-SNAPSHOT
\ No newline at end of file
+bootVersion=2.2.0.M4
\ No newline at end of file
diff --git a/samples/standalone/messaging/stream-source/pom.xml b/samples/standalone/messaging/stream-source/pom.xml
index 42eade8927..483227e393 100644
--- a/samples/standalone/messaging/stream-source/pom.xml
+++ b/samples/standalone/messaging/stream-source/pom.xml
@@ -15,7 +15,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>2.2.0.BUILD-SNAPSHOT</version>
+		<version>2.2.0.M4</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 
diff --git a/samples/standalone/pact/pact-http-client/gradle.properties b/samples/standalone/pact/pact-http-client/gradle.properties
index 6b3c50fd63..bcbffbbc5e 100644
--- a/samples/standalone/pact/pact-http-client/gradle.properties
+++ b/samples/standalone/pact/pact-http-client/gradle.properties
@@ -1,3 +1,3 @@
 org.gradle.daemon=false
 BOM_VERSION=Hoxton.BUILD-SNAPSHOT
-bootVersion=2.2.0.BUILD-SNAPSHOT
\ No newline at end of file
+bootVersion=2.2.0.M4
\ No newline at end of file
diff --git a/samples/standalone/pact/pact-http-client/pom.xml b/samples/standalone/pact/pact-http-client/pom.xml
index 82eef8509e..db6007cc7b 100644
--- a/samples/standalone/pact/pact-http-client/pom.xml
+++ b/samples/standalone/pact/pact-http-client/pom.xml
@@ -14,7 +14,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>2.2.0.BUILD-SNAPSHOT</version>
+		<version>2.2.0.M4</version>
 		<relativePath/>
 	</parent>
 
diff --git a/samples/standalone/pact/pact-http-server/gradle.properties b/samples/standalone/pact/pact-http-server/gradle.properties
index 4e2909074c..eaaccaedc3 100644
--- a/samples/standalone/pact/pact-http-server/gradle.properties
+++ b/samples/standalone/pact/pact-http-server/gradle.properties
@@ -1,4 +1,4 @@
 org.gradle.daemon=false
 verifierVersion=2.2.0.BUILD-SNAPSHOT
 BOM_VERSION=Hoxton.BUILD-SNAPSHOT
-bootVersion=2.2.0.BUILD-SNAPSHOT
\ No newline at end of file
+bootVersion=2.2.0.M4
\ No newline at end of file
diff --git a/samples/standalone/pact/pact-http-server/pom.xml b/samples/standalone/pact/pact-http-server/pom.xml
index d8e5e94361..d88523d168 100644
--- a/samples/standalone/pact/pact-http-server/pom.xml
+++ b/samples/standalone/pact/pact-http-server/pom.xml
@@ -14,7 +14,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>2.2.0.BUILD-SNAPSHOT</version>
+		<version>2.2.0.M4</version>
 		<relativePath/>
 	</parent>
 
diff --git a/samples/standalone/restdocs/http-client/gradle.properties b/samples/standalone/restdocs/http-client/gradle.properties
index 4e2909074c..eaaccaedc3 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=2.2.0.BUILD-SNAPSHOT
 BOM_VERSION=Hoxton.BUILD-SNAPSHOT
-bootVersion=2.2.0.BUILD-SNAPSHOT
\ No newline at end of file
+bootVersion=2.2.0.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 4b23eaa938..a8c83104e5 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>2.2.0.BUILD-SNAPSHOT</version>
+		<version>2.2.0.M4</version>
 		<relativePath/>
 	</parent>
 
diff --git a/samples/standalone/restdocs/http-server/gradle.properties b/samples/standalone/restdocs/http-server/gradle.properties
index 4e2909074c..eaaccaedc3 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=2.2.0.BUILD-SNAPSHOT
 BOM_VERSION=Hoxton.BUILD-SNAPSHOT
-bootVersion=2.2.0.BUILD-SNAPSHOT
\ No newline at end of file
+bootVersion=2.2.0.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 f05c70eaf7..ef285bf2af 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>2.2.0.BUILD-SNAPSHOT</version>
+		<version>2.2.0.M4</version>
 		<relativePath/>
 	</parent>
 
diff --git a/samples/standalone/webclient/http-client/gradle.properties b/samples/standalone/webclient/http-client/gradle.properties
index 4e2909074c..eaaccaedc3 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=2.2.0.BUILD-SNAPSHOT
 BOM_VERSION=Hoxton.BUILD-SNAPSHOT
-bootVersion=2.2.0.BUILD-SNAPSHOT
\ No newline at end of file
+bootVersion=2.2.0.M4
\ 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 9506b44a10..f6b64024b6 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>2.2.0.BUILD-SNAPSHOT</version>
+		<version>2.2.0.M4</version>
 		<relativePath/>
 	</parent>
 
diff --git a/samples/standalone/webclient/http-server/gradle.properties b/samples/standalone/webclient/http-server/gradle.properties
index 4e2909074c..eaaccaedc3 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=2.2.0.BUILD-SNAPSHOT
 BOM_VERSION=Hoxton.BUILD-SNAPSHOT
-bootVersion=2.2.0.BUILD-SNAPSHOT
\ No newline at end of file
+bootVersion=2.2.0.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 a4322b2849..34389974a9 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>2.2.0.BUILD-SNAPSHOT</version>
+		<version>2.2.0.M4</version>
 		<relativePath/>
 	</parent>
 
diff --git a/samples/standalone/yml/http-client/gradle.properties b/samples/standalone/yml/http-client/gradle.properties
index f2aac84e71..1ef79aa854 100644
--- a/samples/standalone/yml/http-client/gradle.properties
+++ b/samples/standalone/yml/http-client/gradle.properties
@@ -1,3 +1,3 @@
 org.gradle.daemon=false
 BOM_VERSION=Hoxton.BUILD-SNAPSHOT
-bootVersion=2.2.0.BUILD-SNAPSHOT
+bootVersion=2.2.0.M4
diff --git a/samples/standalone/yml/http-client/pom.xml b/samples/standalone/yml/http-client/pom.xml
index 999a5f3413..178a3aff5f 100644
--- a/samples/standalone/yml/http-client/pom.xml
+++ b/samples/standalone/yml/http-client/pom.xml
@@ -14,7 +14,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>2.2.0.BUILD-SNAPSHOT</version>
+		<version>2.2.0.M4</version>
 		<relativePath/>
 	</parent>
 
diff --git a/samples/standalone/yml/http-server/gradle.properties b/samples/standalone/yml/http-server/gradle.properties
index b15537ccf7..7c164e6f05 100644
--- a/samples/standalone/yml/http-server/gradle.properties
+++ b/samples/standalone/yml/http-server/gradle.properties
@@ -1,4 +1,4 @@
 org.gradle.daemon=false
 verifierVersion=2.2.0.BUILD-SNAPSHOT
 BOM_VERSION=Hoxton.BUILD-SNAPSHOT
-bootVersion=2.2.0.BUILD-SNAPSHOT
+bootVersion=2.2.0.M4
diff --git a/samples/standalone/yml/http-server/pom.xml b/samples/standalone/yml/http-server/pom.xml
index 079a1af92e..f4c32bcd62 100644
--- a/samples/standalone/yml/http-server/pom.xml
+++ b/samples/standalone/yml/http-server/pom.xml
@@ -14,7 +14,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>2.2.0.BUILD-SNAPSHOT</version>
+		<version>2.2.0.M4</version>
 		<relativePath/>
 	</parent>
 
diff --git a/samples/wiremock-jetty/pom.xml b/samples/wiremock-jetty/pom.xml
index 057c4f5384..2625ba5b48 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>2.2.0.BUILD-SNAPSHOT</version>
+		<version>2.2.0.M4</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 
diff --git a/samples/wiremock-native/pom.xml b/samples/wiremock-native/pom.xml
index d3b524af90..9d56d82a1c 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>2.2.0.BUILD-SNAPSHOT</version>
+		<version>2.2.0.M4</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 
diff --git a/samples/wiremock-tomcat/pom.xml b/samples/wiremock-tomcat/pom.xml
index 196f9e4e22..629d4afe40 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>2.2.0.BUILD-SNAPSHOT</version>
+		<version>2.2.0.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 2ca80eac69..2677feddb1 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>2.2.0.BUILD-SNAPSHOT</version>
+		<version>2.2.0.M4</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 
diff --git a/samples/wiremock-undertow/pom.xml b/samples/wiremock-undertow/pom.xml
index 002fcc6fb5..916e21310f 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>2.2.0.BUILD-SNAPSHOT</version>
+		<version>2.2.0.M4</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 
diff --git a/samples/wiremock/pom.xml b/samples/wiremock/pom.xml
index 5ede2d10bf..e35e75e516 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>2.2.0.BUILD-SNAPSHOT</version>
+		<version>2.2.0.M4</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 
diff --git a/spring-cloud-contract-tools/spring-cloud-contract-gradle-plugin/src/test/resources/functionalTest/sampleJerseyProject/gradle.properties b/spring-cloud-contract-tools/spring-cloud-contract-gradle-plugin/src/test/resources/functionalTest/sampleJerseyProject/gradle.properties
index 8383d211cc..9a13134ba4 100644
--- a/spring-cloud-contract-tools/spring-cloud-contract-gradle-plugin/src/test/resources/functionalTest/sampleJerseyProject/gradle.properties
+++ b/spring-cloud-contract-tools/spring-cloud-contract-gradle-plugin/src/test/resources/functionalTest/sampleJerseyProject/gradle.properties
@@ -16,4 +16,4 @@
 wiremockVersion=2.23.2
 jsonAssertVersion=0.4.13
 verifierVersion=2.2.0.BUILD-SNAPSHOT
-bootVersion=2.2.0.BUILD-SNAPSHOT
+bootVersion=2.2.0.M4
diff --git a/spring-cloud-contract-tools/spring-cloud-contract-gradle-plugin/src/test/resources/functionalTest/sampleProject/gradle.properties b/spring-cloud-contract-tools/spring-cloud-contract-gradle-plugin/src/test/resources/functionalTest/sampleProject/gradle.properties
index 8383d211cc..9a13134ba4 100644
--- a/spring-cloud-contract-tools/spring-cloud-contract-gradle-plugin/src/test/resources/functionalTest/sampleProject/gradle.properties
+++ b/spring-cloud-contract-tools/spring-cloud-contract-gradle-plugin/src/test/resources/functionalTest/sampleProject/gradle.properties
@@ -16,4 +16,4 @@
 wiremockVersion=2.23.2
 jsonAssertVersion=0.4.13
 verifierVersion=2.2.0.BUILD-SNAPSHOT
-bootVersion=2.2.0.BUILD-SNAPSHOT
+bootVersion=2.2.0.M4
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 5048171bf4..134670de70 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=2.23.2
 jsonAssertVersion=0.4.13
 verifierVersion=2.2.0.BUILD-SNAPSHOT
-bootVersion=2.2.0.BUILD-SNAPSHOT
+bootVersion=2.2.0.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 e7984933f1..fa2776c87d 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>2.2.0.BUILD-SNAPSHOT</version>
+		<version>2.2.0.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 e166b958cf..9abed6301e 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>2.2.0.BUILD-SNAPSHOT</version>
+		<version>2.2.0.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 1c4aa459f5..9818873447 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>2.2.0.BUILD-SNAPSHOT</version>
+		<version>2.2.0.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 1cff6b7784..cf951f2512 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>2.2.0.BUILD-SNAPSHOT</version>
+		<version>2.2.0.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 1c4aa459f5..9818873447 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>2.2.0.BUILD-SNAPSHOT</version>
+		<version>2.2.0.M4</version>
 	</parent>
 
 	<dependencies>