diff --git a/pom.xml b/pom.xml
index df9da22..151afa7 100644
--- a/pom.xml
+++ b/pom.xml
@@ -125,7 +125,7 @@
 		<dependency>
 			<groupId>org.codehaus.groovy</groupId>
 			<artifactId>groovy</artifactId>
-			<version>2.4.4</version>
+			<version>2.4.21</version>
 		</dependency>
 		
 	<!-- XXE attack -->