diff --git a/shiro-demo/pom.xml b/shiro-demo/pom.xml
index 5c83366..6095986 100644
--- a/shiro-demo/pom.xml
+++ b/shiro-demo/pom.xml
@@ -42,7 +42,7 @@
         <dependency>
             <groupId>com.alibaba</groupId>
             <artifactId>fastjson</artifactId>
-            <version>1.2.51</version>
+            <version>1.2.83</version>
             <scope>compile</scope>
         </dependency>
     </dependencies>