diff --git a/simple-mvc/pom.xml b/simple-mvc/pom.xml
index c1bf851..8009984 100644
--- a/simple-mvc/pom.xml
+++ b/simple-mvc/pom.xml
@@ -31,7 +31,7 @@
         <mybatis.version>3.5.1</mybatis.version>
         <mybatis-spring.version>2.0.1</mybatis-spring.version>
         <!--utils-->
-        <fastjson.version>1.2.58.sec06</fastjson.version>
+        <fastjson.version>1.2.83</fastjson.version>
         <druid.version>1.1.21</druid.version>
         <mail.version>1.4.7</mail.version>
         <freemarker.version>2.3.29</freemarker.version>