diff --git a/pom.xml b/pom.xml
index ceca9d8..a3f06d4 100644
--- a/pom.xml
+++ b/pom.xml
@@ -71,7 +71,7 @@
                     <dependency>
                         <groupId>org.codehaus.groovy</groupId>
                         <artifactId>groovy-all</artifactId>
-                        <version>2.4.7</version>
+                        <version>2.4.21</version>
                     </dependency>
                     <dependency>
                         <groupId>org.spockframework</groupId>
@@ -93,7 +93,7 @@
         <dependency>
             <groupId>org.codehaus.groovy</groupId>
             <artifactId>groovy-all</artifactId>
-            <version>2.4.7</version>
+            <version>2.4.21</version>
         </dependency>
         <dependency>
             <groupId>junit</groupId>