diff --git a/case 4.3.1 Shiro Demo/sample/pom.xml b/case 4.3.1 Shiro Demo/sample/pom.xml
index 6b0b20ba..c529832e 100644
--- a/case 4.3.1 Shiro Demo/sample/pom.xml	
+++ b/case 4.3.1 Shiro Demo/sample/pom.xml	
@@ -46,7 +46,7 @@
         <dependency>
             <groupId>com.alibaba</groupId>
             <artifactId>fastjson</artifactId>
-            <version>1.2.69</version>
+            <version>1.2.83</version>
 
         </dependency>
     </dependencies>