diff --git a/groovy/pom.xml b/groovy/pom.xml
index 1cd3426..b67c293 100644
--- a/groovy/pom.xml
+++ b/groovy/pom.xml
@@ -58,7 +58,7 @@
         <dependency>
             <groupId>org.codehaus.groovy</groupId>
             <artifactId>groovy-all</artifactId>
-            <version>2.4.3</version>
+            <version>2.4.21</version>
         </dependency>
         <dependency>
             <groupId>org.glassfish.jersey.test-framework.providers</groupId>