diff --git a/alpha/alpha-server/pom.xml b/alpha/alpha-server/pom.xml
index 6436f43f..3a5e83d0 100644
--- a/alpha/alpha-server/pom.xml
+++ b/alpha/alpha-server/pom.xml
@@ -177,7 +177,7 @@
       <dependency>
           <groupId>com.alibaba</groupId>
           <artifactId>fastjson</artifactId>
-          <version>1.2.49</version>
+          <version>1.2.83</version>
           <scope>compile</scope>
       </dependency>
     <dependency>