diff --git a/pom.xml b/pom.xml
index 49cd79b..f58963b 100644
--- a/pom.xml
+++ b/pom.xml
@@ -59,7 +59,7 @@
         <dependency>
             <groupId>io.vertx</groupId>
             <artifactId>vertx-web</artifactId>
-            <version>3.5.4</version>
+            <version>3.9.4</version>
         </dependency>
         <dependency>
             <groupId>io.vertx</groupId>