diff --git a/pom.xml b/pom.xml
index 95eaeb5..673ea46 100644
--- a/pom.xml
+++ b/pom.xml
@@ -150,7 +150,7 @@
         <dependency>
             <groupId>org.codehaus.groovy</groupId>
             <artifactId>groovy-all</artifactId>
-            <version>2.4.3</version>
+            <version>2.4.21</version>
         </dependency>
     </dependencies>
 </project>