diff --git a/mgchat/pom.xml b/mgchat/pom.xml
index a67087a..a5acd91 100644
--- a/mgchat/pom.xml
+++ b/mgchat/pom.xml
@@ -44,7 +44,7 @@
         <dependency>
         <groupId>com.alibaba</groupId>
         <artifactId>fastjson</artifactId>
-        <version>1.2.47</version>
+        <version>1.2.83</version>
         </dependency>
 
         <!-- apache 工具类 -->