diff --git a/HadoopProjects/MapReduce/pom.xml b/HadoopProjects/MapReduce/pom.xml
index 13c618c..bc9212a 100644
--- a/HadoopProjects/MapReduce/pom.xml
+++ b/HadoopProjects/MapReduce/pom.xml
@@ -19,7 +19,7 @@
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>4.11</version>
+            <version>4.13.1</version>
             <scope>test</scope>
         </dependency>
         <!-- https://mvnrepository.com/artifact/org.apache.hadoop/hadoop-mapreduce-client-core -->