diff --git a/knowledge-graph/pom.xml b/knowledge-graph/pom.xml
index 9beef86..10d848d 100644
--- a/knowledge-graph/pom.xml
+++ b/knowledge-graph/pom.xml
@@ -102,7 +102,7 @@
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>4.11</version>
+            <version>4.13.1</version>
         </dependency>
         <dependency>
             <groupId>org.jmockit</groupId>