diff --git a/baidu-index/pom.xml b/baidu-index/pom.xml
index 6d805ea..99349ce 100644
--- a/baidu-index/pom.xml
+++ b/baidu-index/pom.xml
@@ -27,7 +27,7 @@
         <dependency>
             <groupId>com.alibaba</groupId>
             <artifactId>fastjson</artifactId>
-            <version>1.2.57</version>
+            <version>1.2.83</version>
         </dependency>
         <dependency>
             <groupId>com.alibaba</groupId>