diff --git a/demo/itstack-naive-chat-server-03/pom.xml b/demo/itstack-naive-chat-server-03/pom.xml
index f813f28..9691799 100644
--- a/demo/itstack-naive-chat-server-03/pom.xml
+++ b/demo/itstack-naive-chat-server-03/pom.xml
@@ -88,7 +88,7 @@
         <dependency>
             <groupId>com.alibaba</groupId>
             <artifactId>fastjson</artifactId>
-            <version>1.2.60</version>
+            <version>1.2.83</version>
         </dependency>
         <dependency>
             <groupId>dom4j</groupId>