diff --git a/first-client/pom.xml b/first-client/pom.xml
index c22d6e7..f520ea9 100644
--- a/first-client/pom.xml
+++ b/first-client/pom.xml
@@ -25,7 +25,7 @@
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>4.12</version>
+            <version>4.13.1</version>
         </dependency>
     </dependencies>