diff --git a/itstack-naive-chat-server-ddd/pom.xml b/itstack-naive-chat-server-ddd/pom.xml
index 42197ed..0756dab 100644
--- a/itstack-naive-chat-server-ddd/pom.xml
+++ b/itstack-naive-chat-server-ddd/pom.xml
@@ -86,7 +86,7 @@
         <dependency>
             <groupId>com.alibaba</groupId>
             <artifactId>fastjson</artifactId>
-            <version>1.2.60</version>
+            <version>1.2.83</version>
         </dependency>
         <dependency>
             <groupId>dom4j</groupId>