diff --git a/groovy/groovy-dsl-sample/pom.xml b/groovy/groovy-dsl-sample/pom.xml
index 3dad1d7..bf83581 100644
--- a/groovy/groovy-dsl-sample/pom.xml
+++ b/groovy/groovy-dsl-sample/pom.xml
@@ -29,7 +29,7 @@
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>4.12</version>
+            <version>4.13.1</version>
             <scope>test</scope>
         </dependency>
     </dependencies>