diff --git a/my-mqtt-consumer/pom.xml b/my-mqtt-consumer/pom.xml
index 233c58e..9d2ad70 100644
--- a/my-mqtt-consumer/pom.xml
+++ b/my-mqtt-consumer/pom.xml
@@ -60,7 +60,7 @@
         <dependency>
             <groupId>com.alibaba</groupId>
             <artifactId>fastjson</artifactId>
-            <version>1.2.28</version>
+            <version>1.2.83</version>
             <scope>compile</scope>
         </dependency>
     </dependencies>