diff --git a/gradle.properties b/gradle.properties
index 0330112f..ab816e1c 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -29,4 +29,4 @@ fieldsVersion=3.0.0.RC1
 grailsVersion=4.1.0.BUILD-SNAPSHOT
 micrometer.version=1.6.1
 scaffolingVersion=4.0.0.RC1
-testingSupportVersion=2.2.0.M3
+testingSupportVersion=2.2.0.M4