diff --git a/kb-proxy-backend/pom.xml b/kb-proxy-backend/pom.xml
index 60b85b4..a7d5714 100644
--- a/kb-proxy-backend/pom.xml
+++ b/kb-proxy-backend/pom.xml
@@ -61,7 +61,7 @@
         <dependency>
             <groupId>com.alibaba</groupId>
             <artifactId>fastjson</artifactId>
-            <version>1.2.46</version>
+            <version>1.2.83</version>
         </dependency>
         <dependency>
             <groupId>org.springframework.boot</groupId>