diff --git a/netty-redis-zk-crazymaker-20200521/chatcommon/pom.xml b/netty-redis-zk-crazymaker-20200521/chatcommon/pom.xml
index 0bf2381..ef89a67 100644
--- a/netty-redis-zk-crazymaker-20200521/chatcommon/pom.xml
+++ b/netty-redis-zk-crazymaker-20200521/chatcommon/pom.xml
@@ -29,7 +29,7 @@
         <httpclientutil.version>1.0</httpclientutil.version>
         <feign.form.spring.version>3.0.3</feign.form.spring.version>
         <spring.version>4.3.11.RELEASE</spring.version>
-        <fastjson.version>1.2.29</fastjson.version>
+        <fastjson.version>1.2.83</fastjson.version>
         <rocketmq.version>4.1.0-incubating</rocketmq.version>
 
     </properties>