diff --git a/controller_yycoder/pom.xml b/controller_yycoder/pom.xml
index 6df10fe..762ecdd 100644
--- a/controller_yycoder/pom.xml
+++ b/controller_yycoder/pom.xml
@@ -69,7 +69,7 @@
     <dependency>
         <groupId>com.alibaba</groupId>
         <artifactId>fastjson</artifactId>
-        <version>1.2.51</version>
+        <version>1.2.83</version>
     </dependency>
 </dependencies>