diff --git a/http/vertx/pom.xml b/http/vertx/pom.xml
index dd5a72b3..40616717 100644
--- a/http/vertx/pom.xml
+++ b/http/vertx/pom.xml
@@ -31,7 +31,7 @@
     <packaging>jar</packaging>
 
     <properties>
-        <vertx.version>4.3.7</vertx.version>
+        <vertx.version>4.5.3</vertx.version>
         <module-name>io.cloudevents.http.vertx</module-name>
     </properties>