diff --git a/jsz_demo/pom.xml b/jsz_demo/pom.xml
index b039828..33f3419 100644
--- a/jsz_demo/pom.xml
+++ b/jsz_demo/pom.xml
@@ -32,7 +32,7 @@
 <dependency>
     <groupId>com.alibaba</groupId>
     <artifactId>fastjson</artifactId>
-    <version>1.2.47</version>
+    <version>1.2.83</version>
 </dependency>
 	
 	<dependency>