diff --git a/samples/client/petstore/java/vertx/pom.xml b/samples/client/petstore/java/vertx/pom.xml
index 0567f5e6cb5..b92aff3a74e 100644
--- a/samples/client/petstore/java/vertx/pom.xml
+++ b/samples/client/petstore/java/vertx/pom.xml
@@ -263,7 +263,7 @@
         <vertx-version>3.4.2</vertx-version>
         <swagger-core-version>1.5.18</swagger-core-version>
         <threetenbp-version>2.6.4</threetenbp-version>
-        <jackson-version>2.10.1</jackson-version>
+        <jackson-version>2.21.2</jackson-version>
         <junit-version>4.12</junit-version>
     </properties>
 </project>