diff --git a/javaimpl/pom.xml b/javaimpl/pom.xml
index 033e235..2d885a2 100644
--- a/javaimpl/pom.xml
+++ b/javaimpl/pom.xml
@@ -55,7 +55,7 @@
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>4.12</version>
+            <version>4.13.1</version>
             <scope>test</scope>
         </dependency>
     </dependencies>