diff --git a/pom.xml b/pom.xml
index 42af351..2dbdb87 100644
--- a/pom.xml
+++ b/pom.xml
@@ -14,7 +14,7 @@
 		<maven-surefire-plugin.version>3.5.4</maven-surefire-plugin.version>
 		<exec-maven-plugin.version>3.6.3</exec-maven-plugin.version>
 
-		<vertx.version>5.1.0</vertx.version>
+		<vertx.version>5.0.12</vertx.version>
 		<junit-jupiter.version>6.1.0</junit-jupiter.version>
 	</properties>