diff --git a/server/vertx/pom.xml b/server/vertx/pom.xml
index 28705d76..6f170746 100644
--- a/server/vertx/pom.xml
+++ b/server/vertx/pom.xml
@@ -54,7 +54,7 @@
     <dependency>
       <groupId>io.vertx</groupId>
       <artifactId>vertx-web</artifactId>
-      <version>3.5.3</version>
+      <version>3.9.4</version>
     </dependency>
     <dependency>
       <groupId>io.vertx</groupId>