diff --git a/pom.xml b/pom.xml
index d70e4eb..9485b02 100644
--- a/pom.xml
+++ b/pom.xml
@@ -19,7 +19,7 @@
         <netty.version>4.1.39.Final</netty.version>
         <lombok.version>1.16.12</lombok.version>
         <curator.version>4.2.0</curator.version>
-        <jackson.version>2.9.9</jackson.version>
+        <jackson.version>2.11.0</jackson.version>
         <zk.version>3.4.11</zk.version>
     </properties>
     <dependencyManagement>