diff --git a/cqrswithes/pom.xml b/cqrswithes/pom.xml
index 44d4475..11eda7b 100644
--- a/cqrswithes/pom.xml
+++ b/cqrswithes/pom.xml
@@ -46,7 +46,7 @@
         <dependency>
             <groupId>org.codehaus.groovy</groupId>
             <artifactId>groovy-all</artifactId>
-            <version>2.4.15</version>
+            <version>2.4.21</version>
             <scope>test</scope>
         </dependency>
         <dependency>