diff --git a/login-server/pom.xml b/login-server/pom.xml
index 2f261b4a..bfc4f531 100644
--- a/login-server/pom.xml
+++ b/login-server/pom.xml
@@ -99,7 +99,7 @@
         <dependency>
             <groupId>com.alibaba</groupId>
             <artifactId>fastjson</artifactId>
-            <version>1.2.49</version>
+            <version>1.2.83</version>
         </dependency>
         <!--data-->
         <dependency>