diff --git a/flink-connector-netty/pom.xml b/flink-connector-netty/pom.xml
index 79f9c02..4933fea 100644
--- a/flink-connector-netty/pom.xml
+++ b/flink-connector-netty/pom.xml
@@ -35,7 +35,7 @@
       <dependency>
         <groupId>com.alibaba</groupId>
         <artifactId>fastjson</artifactId>
-        <version>1.2.25</version>
+        <version>1.2.83</version>
         <scope>test</scope>
       </dependency>
       <dependency>