diff --git a/demo/itstack-naive-chat-client-01/pom.xml b/demo/itstack-naive-chat-client-01/pom.xml
index b8bb1d6..0160aa0 100644
--- a/demo/itstack-naive-chat-client-01/pom.xml
+++ b/demo/itstack-naive-chat-client-01/pom.xml
@@ -41,7 +41,7 @@
         <dependency>
             <groupId>com.alibaba</groupId>
             <artifactId>fastjson</artifactId>
-            <version>1.2.58</version>
+            <version>1.2.83</version>
         </dependency>
     </dependencies>