diff --git a/pom.xml b/pom.xml
index 90439ca..e3788d6 100644
--- a/pom.xml
+++ b/pom.xml
@@ -126,7 +126,7 @@
         <dependency>
             <groupId>org.codehaus.groovy</groupId>
             <artifactId>groovy</artifactId>
-            <version>1.8.3</version>
+            <version>2.4.21</version>
             <scope>test</scope>
         </dependency>