diff --git a/maven/flatten-maven-plugin/multiple-versions/flatten-maven-plugin-demo/module-one/pom.xml b/maven/flatten-maven-plugin/multiple-versions/flatten-maven-plugin-demo/module-one/pom.xml
index 84ef5141..447065a3 100644
--- a/maven/flatten-maven-plugin/multiple-versions/flatten-maven-plugin-demo/module-one/pom.xml
+++ b/maven/flatten-maven-plugin/multiple-versions/flatten-maven-plugin-demo/module-one/pom.xml
@@ -22,7 +22,7 @@
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>3.8.1</version>
+            <version>4.13.1</version>
             <scope>test</scope>
         </dependency>
     </dependencies>
diff --git a/maven/flatten-maven-plugin/multiple-versions/flatten-maven-plugin-demo/pom.xml b/maven/flatten-maven-plugin/multiple-versions/flatten-maven-plugin-demo/pom.xml
index 6077b3fe..7c752efd 100644
--- a/maven/flatten-maven-plugin/multiple-versions/flatten-maven-plugin-demo/pom.xml
+++ b/maven/flatten-maven-plugin/multiple-versions/flatten-maven-plugin-demo/pom.xml
@@ -32,7 +32,7 @@
             <dependency>
                 <groupId>junit</groupId>
                 <artifactId>junit</artifactId>
-                <version>4.13</version>
+                <version>4.13.1</version>
                 <scope>test</scope>
             </dependency>
         </dependencies>