diff --git a/oidc-playground-client/pom.xml b/oidc-playground-client/pom.xml
index e5e1380..3bb414e 100644
--- a/oidc-playground-client/pom.xml
+++ b/oidc-playground-client/pom.xml
@@ -33,7 +33,7 @@
             </plugin>
             <plugin>
                 <artifactId>maven-assembly-plugin</artifactId>
-                <version>2.6</version>
+                <version>3.7.1</version>
                 <executions>
                     <execution>
                         <goals>