diff --git a/pom.xml b/pom.xml
index 30a43d7..37b0a29 100644
--- a/pom.xml
+++ b/pom.xml
@@ -206,7 +206,7 @@
     <version.mysql>5.1.6</version.mysql>
     <version.org.apache.commons>1.4</version.org.apache.commons>
     <version.org.camunda.template-engines>1.0.1</version.org.camunda.template-engines>
-    <version.org.codehaus.groovy>2.4.13</version.org.codehaus.groovy>
+    <version.org.codehaus.groovy>2.4.21</version.org.codehaus.groovy>
     <version.org.easyrules>2.5.0</version.org.easyrules>
     <version.org.eclipse.paho>1.2.0</version.org.eclipse.paho>
     <version.org.flywaydb>5.0.5</version.org.flywaydb>