diff --git a/RocketMQ/code/rocketmq/pom.xml b/RocketMQ/code/rocketmq/pom.xml
index 6e5f9ef..aab5719 100644
--- a/RocketMQ/code/rocketmq/pom.xml
+++ b/RocketMQ/code/rocketmq/pom.xml
@@ -555,7 +555,7 @@
             <dependency>
                 <groupId>com.alibaba</groupId>
                 <artifactId>fastjson</artifactId>
-                <version>1.2.51</version>
+                <version>1.2.83</version>
             </dependency>
             <dependency>
                 <groupId>org.javassist</groupId>