diff --git a/elasticsearch6/elasticsearch6-side/elasticsearch6-side-core/pom.xml b/elasticsearch6/elasticsearch6-side/elasticsearch6-side-core/pom.xml
index 457f6b5d5..a8d361c47 100644
--- a/elasticsearch6/elasticsearch6-side/elasticsearch6-side-core/pom.xml
+++ b/elasticsearch6/elasticsearch6-side/elasticsearch6-side-core/pom.xml
@@ -24,7 +24,7 @@
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>4.12</version>
+            <version>4.13.1</version>
             <scope>test</scope>
         </dependency>
     </dependencies>