diff --git a/OpenICF-kerberos-connector/pom.xml b/OpenICF-kerberos-connector/pom.xml
index f1e071e9..9828e069 100644
--- a/OpenICF-kerberos-connector/pom.xml
+++ b/OpenICF-kerberos-connector/pom.xml
@@ -57,7 +57,7 @@
         <dependency>
             <groupId>org.codehaus.groovy</groupId>
             <artifactId>groovy-all</artifactId>
-            <version>2.4.7</version>
+            <version>2.4.21</version>
             <scope>provided</scope>
         </dependency>
         <dependency>