diff --git a/RSA_Demo/pom.xml b/RSA_Demo/pom.xml
index a30bcec..b92c3e4 100644
--- a/RSA_Demo/pom.xml
+++ b/RSA_Demo/pom.xml
@@ -22,7 +22,7 @@
     <dependency>
       <groupId>junit</groupId>
       <artifactId>junit</artifactId>
-      <version>4.11</version>
+      <version>4.13.1</version>
       <scope>test</scope>
     </dependency>