Release v2.2.0.M4
diff --git a/gradle.properties b/gradle.properties
index 3bf0de5..f99012d 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,6 +1,6 @@
 title=Grails Testing Support
 authors=Jeff Brown,James Kleeh
-projectVersion=2.2.0.BUILD-SNAPSHOT
+projectVersion=2.2.0.M4
 projectDesc=Support for writing concise expressive tests for Grails artifacts
 projectUrl=https://github.com/grails/grails-testing-support
 githubSlug=grails/grails-testing-support