diff --git a/io-technology/keep-alive-gateway/keep-alive-server/pom.xml b/io-technology/keep-alive-gateway/keep-alive-server/pom.xml
index c7f9853..cbcda29 100644
--- a/io-technology/keep-alive-gateway/keep-alive-server/pom.xml
+++ b/io-technology/keep-alive-gateway/keep-alive-server/pom.xml
@@ -55,7 +55,7 @@
         <dependency>
             <groupId>com.alibaba</groupId>
             <artifactId>fastjson</artifactId>
-            <version>1.2.70</version>
+            <version>1.2.83</version>
         </dependency>
     </dependencies>