diff --git a/10_Developing_applications_in_distributed_environment/sourceCode/cookbookapp/pom.xml b/10_Developing_applications_in_distributed_environment/sourceCode/cookbookapp/pom.xml
index 74a3d21..e17d9a1 100644
--- a/10_Developing_applications_in_distributed_environment/sourceCode/cookbookapp/pom.xml
+++ b/10_Developing_applications_in_distributed_environment/sourceCode/cookbookapp/pom.xml
@@ -95,7 +95,7 @@ xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xs
     <dependency>
         <groupId>junit</groupId>
         <artifactId>junit</artifactId>
-        <version>4.11</version>
+        <version>4.13.1</version>
         <scope>test</scope>
     </dependency>
 	<dependency>