diff --git a/samples/pom.xml b/samples/pom.xml
index ff0eea4..4b7f484 100644
--- a/samples/pom.xml
+++ b/samples/pom.xml
@@ -42,7 +42,7 @@
     <maven.compiler.target>1.8</maven.compiler.target>
     <hc4.client.version>4.5.14</hc4.client.version>
     <hc5.client.version>5.6</hc5.client.version>
-    <jackson.version>2.20.1</jackson.version>
+    <jackson.version>2.21.5</jackson.version>
     <asyncjson.version>0.4.0</asyncjson.version>
   </properties>