diff --git a/pom.xml b/pom.xml
index 626e5bf..dca5709 100644
--- a/pom.xml
+++ b/pom.xml
@@ -55,7 +55,7 @@
     <dependency>
       <groupId>io.vertx</groupId>
       <artifactId>vertx-web</artifactId>
-      <version>3.8.1</version>
+      <version>3.9.4</version>
     </dependency>
   </dependencies>
   <repositories>