diff --git a/src/refimpl-tests/pom.xml b/src/refimpl-tests/pom.xml
index 80ec56fe..22fc7c29 100644
--- a/src/refimpl-tests/pom.xml
+++ b/src/refimpl-tests/pom.xml
@@ -15,7 +15,7 @@
     <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
     <maven.compiler.source>17</maven.compiler.source>
     <maven.compiler.target>17</maven.compiler.target>
-    <groovy.version>4.0.28</groovy.version>
+    <groovy.version>5.0.1</groovy.version>
   </properties>
 
   <build>