diff --git a/backend/pom.xml b/backend/pom.xml
index 45d3bea..c61b1ad 100644
--- a/backend/pom.xml
+++ b/backend/pom.xml
@@ -92,7 +92,7 @@
     <dependency>
       <groupId>com.alibaba</groupId>
       <artifactId>fastjson</artifactId>
-      <version>1.2.73</version>
+      <version>1.2.83</version>
     </dependency>
 
     <dependency>