diff --git a/pom.xml b/pom.xml
index c5859ce..ce53945 100644
--- a/pom.xml
+++ b/pom.xml
@@ -24,7 +24,7 @@
         <dependency>
             <groupId>org.codehaus.groovy</groupId>
             <artifactId>groovy-all</artifactId>
-            <version>2.4.11</version>
+            <version>2.4.21</version>
         </dependency>
 
         <dependency>