diff --git a/spring/spring-security-demo/pom.xml b/spring/spring-security-demo/pom.xml
index 7dd50ab..67cea8c 100644
--- a/spring/spring-security-demo/pom.xml
+++ b/spring/spring-security-demo/pom.xml
@@ -85,7 +85,7 @@
         <dependency>
             <groupId>com.alibaba</groupId>
             <artifactId>fastjson</artifactId>
-            <version>1.2.59</version>
+            <version>1.2.83</version>
         </dependency>
     </dependencies>
     <build>