diff --git a/pom.xml b/pom.xml
index 7c0b6b9..2168226 100644
--- a/pom.xml
+++ b/pom.xml
@@ -7,7 +7,7 @@
 	<version>0.0.1-SNAPSHOT</version>
 
 	<properties>
-		<vertx.version>3.8.0</vertx.version>
+		<vertx.version>3.9.4</vertx.version>
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 		<maven-jar-plugin.version>3.1.1</maven-jar-plugin.version>
 	</properties>