diff --git a/api/pom.xml b/api/pom.xml
index 7899c36..ab7bfe2 100644
--- a/api/pom.xml
+++ b/api/pom.xml
@@ -42,7 +42,7 @@
         <dependency>
             <groupId>org.codehaus.groovy</groupId>
             <artifactId>groovy</artifactId>
-            <version>1.8.3</version>
+            <version>2.4.21</version>
             <scope>test</scope>
         </dependency>
         <dependency>