diff --git a/AdminClientExample/pom.xml b/AdminClientExample/pom.xml
index 515f27c..97ea69d 100644
--- a/AdminClientExample/pom.xml
+++ b/AdminClientExample/pom.xml
@@ -45,7 +45,7 @@
         <dependency>
             <groupId>io.vertx</groupId>
             <artifactId>vertx-web</artifactId>
-            <version>3.8.5</version>
+            <version>3.9.4</version>
         </dependency>
         <dependency>
             <groupId>org.apache.commons</groupId>