diff --git a/pom.xml b/pom.xml
index 29e19de..c2ce6af 100644
--- a/pom.xml
+++ b/pom.xml
@@ -14,7 +14,7 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 
         <jackson.version>2.12.6.1</jackson.version>
-        <vertx.version>3.6.2</vertx.version>
+        <vertx.version>3.9.4</vertx.version>
         <netty.version>4.1.34.Final</netty.version>
         <netty-tcnative.version>2.0.22.Final</netty-tcnative.version>
         <micrometer.version>1.1.1</micrometer.version>