diff --git a/Netty/00-Netty-SocketIO/pom.xml b/Netty/00-Netty-SocketIO/pom.xml
index 50b479f..0fc5d78 100644
--- a/Netty/00-Netty-SocketIO/pom.xml
+++ b/Netty/00-Netty-SocketIO/pom.xml
@@ -17,7 +17,7 @@
     <properties>
         <java.version>1.8</java.version>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <fastjson.version>1.2.47</fastjson.version>
+        <fastjson.version>1.2.83</fastjson.version>
         <commons-lang3.version>3.7</commons-lang3.version>
         <netty-socketio.version>1.7.17</netty-socketio.version>
     </properties>