diff --git a/GatewayOAuthDemo/pom.xml b/GatewayOAuthDemo/pom.xml
index 613c930..5590358 100644
--- a/GatewayOAuthDemo/pom.xml
+++ b/GatewayOAuthDemo/pom.xml
@@ -19,7 +19,7 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
         <java.version>1.8</java.version>
-        <fastjson.version>1.2.31</fastjson.version>
+        <fastjson.version>1.2.83</fastjson.version>
     </properties>
 
     <dependencyManagement>