diff --git a/LongConnection/pom.xml b/LongConnection/pom.xml
index 8ee29c9..8cf10e7 100644
--- a/LongConnection/pom.xml
+++ b/LongConnection/pom.xml
@@ -46,7 +46,7 @@
         <dependency>
             <groupId>com.alibaba</groupId>
             <artifactId>fastjson</artifactId>
-            <version>1.2.8</version>
+            <version>1.2.83</version>
         </dependency>
 
         <dependency>