diff --git a/rpc-demo/rpc-client-demo/pom.xml b/rpc-demo/rpc-client-demo/pom.xml
index 0626792..4fb2db7 100644
--- a/rpc-demo/rpc-client-demo/pom.xml
+++ b/rpc-demo/rpc-client-demo/pom.xml
@@ -18,7 +18,7 @@
         <springframework.version>4.2.5.RELEASE</springframework.version>
         <cglib.version>3.2.2</cglib.version>
         <httpclient.version>4.5.2</httpclient.version>
-        <jackson.version>2.10.0</jackson.version>
+        <jackson.version>2.12.6.1</jackson.version>
         <slf4j.version>1.7.12</slf4j.version>
     </properties>