diff --git a/community-management-system-be/pom.xml b/community-management-system-be/pom.xml
index d206b76..ec43d45 100644
--- a/community-management-system-be/pom.xml
+++ b/community-management-system-be/pom.xml
@@ -78,7 +78,7 @@
         <dependency>
             <groupId>com.alibaba</groupId>
             <artifactId>fastjson</artifactId>
-            <version>1.2.47</version>
+            <version>1.2.83</version>
         </dependency>
         <dependency>
             <groupId>org.mindrot</groupId>