diff --git a/yiran-license/pom.xml b/yiran-license/pom.xml
index 4ff9bcd..10a1292 100644
--- a/yiran-license/pom.xml
+++ b/yiran-license/pom.xml
@@ -23,7 +23,7 @@
 	<!-- Apache HttpClient -->
 	<httpclient>4.5.5</httpclient>
 	<!-- Fastjson -->
-	<fastjson>1.2.47</fastjson>
+	<fastjson>1.2.83</fastjson>
 	<!-- Java Servlet API -->
 	<javax.servlet-api>4.0.1</javax.servlet-api>
   </properties>