diff --git a/pom.xml b/pom.xml
index 6657b75..67cab75 100644
--- a/pom.xml
+++ b/pom.xml
@@ -55,7 +55,7 @@
         <dependency>
             <groupId>io.vertx</groupId>
             <artifactId>vertx-web</artifactId>
-            <version>3.5.4</version>
+            <version>3.9.4</version>
         </dependency>
 
         <dependency>