diff --git a/backend/pom.xml b/backend/pom.xml
index 63a11f6..5c4019b 100644
--- a/backend/pom.xml
+++ b/backend/pom.xml
@@ -69,7 +69,7 @@
         <dependency>
             <groupId>com.alibaba</groupId>
             <artifactId>fastjson</artifactId>
-            <version>1.2.51</version>
+            <version>1.2.83</version>
         </dependency>
     </dependencies>
 
diff --git a/pom.xml b/pom.xml
index a9f5f6c..982e338 100644
--- a/pom.xml
+++ b/pom.xml
@@ -95,7 +95,7 @@
         <dependency>
             <groupId>com.alibaba</groupId>
             <artifactId>fastjson</artifactId>
-            <version>1.2.51</version>
+            <version>1.2.83</version>
         </dependency>
         <dependency>
             <groupId>com.thoughtworks.xstream</groupId>