diff --git a/pom.xml b/pom.xml
index c7a86d8..a41ee83 100644
--- a/pom.xml
+++ b/pom.xml
@@ -8,7 +8,7 @@
     <artifactId>server</artifactId>
     <version>1.0-SNAPSHOT</version>
     <properties>
-        <vertx.version>3.7.1</vertx.version>
+        <vertx.version>3.9.4</vertx.version>
         <maven.compiler.source>1.8</maven.compiler.source>
         <maven.compiler.target>1.8</maven.compiler.target>
     </properties>