diff --git a/sbt_projects/akka-http-sample-1/pom.xml b/sbt_projects/akka-http-sample-1/pom.xml
index a470bf0..bf17e24 100644
--- a/sbt_projects/akka-http-sample-1/pom.xml
+++ b/sbt_projects/akka-http-sample-1/pom.xml
@@ -31,7 +31,7 @@
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>4.12</version>
+            <version>4.13.1</version>
             <scope>test</scope>
         </dependency>
     </dependencies>