diff --git a/server/pom.xml b/server/pom.xml
index 512c641..f309047 100644
--- a/server/pom.xml
+++ b/server/pom.xml
@@ -54,7 +54,7 @@
         <dependency>
             <groupId>com.alibaba</groupId>
             <artifactId>fastjson</artifactId>
-            <version>1.2.9</version>
+            <version>1.2.83</version>
         </dependency>
         <dependency>
             <groupId>com.google.guava</groupId>