diff --git a/pom.xml b/pom.xml
index 178a62a..459bb21 100644
--- a/pom.xml
+++ b/pom.xml
@@ -11,7 +11,7 @@
     <properties>
         <maven.compiler.source>21</maven.compiler.source>
         <maven.compiler.target>21</maven.compiler.target>
-        <vertx.version>4.5.18</vertx.version>
+        <vertx.version>4.5.21</vertx.version>
         <uid2-shared.version>9.1.0</uid2-shared.version>
     </properties>