diff --git a/src/refimpl-tests/pom.xml b/src/refimpl-tests/pom.xml
index a1540d1c..de86b160 100644
--- a/src/refimpl-tests/pom.xml
+++ b/src/refimpl-tests/pom.xml
@@ -26,7 +26,7 @@
         visit https://github.com/groovy/GMavenPlus/wiki -->
         <groupId>org.codehaus.gmavenplus</groupId>
         <artifactId>gmavenplus-plugin</artifactId>
-        <version>3.0.2</version>
+        <version>4.0.1</version>
         <executions>
           <execution>
             <goals>