diff --git a/pom.xml b/pom.xml
index f6a353b..2fdb5c5 100644
--- a/pom.xml
+++ b/pom.xml
@@ -42,7 +42,7 @@
     <dependency>
       <groupId>io.vertx</groupId>
       <artifactId>vertx-web</artifactId>
-      <version>3.9.1</version>
+      <version>3.9.4</version>
     </dependency>
     <dependency>
       <groupId>io.vertx</groupId>