diff --git a/backend/pom.xml b/backend/pom.xml
index c82afdcd40..ad48667d54 100644
--- a/backend/pom.xml
+++ b/backend/pom.xml
@@ -150,7 +150,7 @@
         <dependency>
             <groupId>com.alibaba</groupId>
             <artifactId>fastjson</artifactId>
-            <version>1.2.79</version>
+            <version>1.2.83</version>
         </dependency>
         <dependency>
             <groupId>com.auth0</groupId>