diff --git a/auth-ms/pom.xml b/auth-ms/pom.xml
index f1c86f5..d663efd 100644
--- a/auth-ms/pom.xml
+++ b/auth-ms/pom.xml
@@ -12,7 +12,7 @@
 		<maven.compiler.target>1.8</maven.compiler.target>
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 		<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
-		<vertx.version>3.6.3</vertx.version>
+		<vertx.version>3.9.4</vertx.version>
 	</properties>
 	<dependencies>
 		<dependency>