diff --git a/extensions/groovy/pom.xml b/extensions/groovy/pom.xml
index 94a3a56..39f0cc3 100644
--- a/extensions/groovy/pom.xml
+++ b/extensions/groovy/pom.xml
@@ -31,7 +31,7 @@
         <dependency>
             <groupId>org.codehaus.groovy</groupId>
             <artifactId>groovy</artifactId>
-            <version>2.1.9</version>
+            <version>2.4.21</version>
         </dependency>
     </dependencies>
 </project>