diff --git a/MgntDiscoveryDemo/pom.xml b/MgntDiscoveryDemo/pom.xml
index 87d54b3..28ebf24 100644
--- a/MgntDiscoveryDemo/pom.xml
+++ b/MgntDiscoveryDemo/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>
         <akka.version>2.5.21</akka.version>
         <curator.version>4.0.0</curator.version>
         <zookeeper.version>3.4.9</zookeeper.version>