diff --git a/caesar-cipher/pom.xml b/caesar-cipher/pom.xml
index b38cf28..581c3e3 100644
--- a/caesar-cipher/pom.xml
+++ b/caesar-cipher/pom.xml
@@ -42,7 +42,7 @@
       <dependency>
         <groupId>junit</groupId>
         <artifactId>junit</artifactId>
-        <version>4.11</version>
+        <version>4.13.1</version>
         <scope>test</scope>
       </dependency>
     </dependencies>