diff --git a/ad-service/ad-common/pom.xml b/ad-service/ad-common/pom.xml
index c51e943..773b8cb 100644
--- a/ad-service/ad-common/pom.xml
+++ b/ad-service/ad-common/pom.xml
@@ -30,7 +30,7 @@
         <dependency>
             <groupId>com.alibaba</groupId>
             <artifactId>fastjson</artifactId>
-            <version>1.2.55</version>
+            <version>1.2.83</version>
         </dependency>
 
         <dependency>