diff --git a/spring-demo-security/pom.xml b/spring-demo-security/pom.xml
index f1dde92..6fd0f35 100644
--- a/spring-demo-security/pom.xml
+++ b/spring-demo-security/pom.xml
@@ -50,7 +50,7 @@
         <dependency>
             <groupId>com.alibaba</groupId>
             <artifactId>fastjson</artifactId>
-            <version>1.2.59</version>
+            <version>1.2.83</version>
         </dependency>
     </dependencies>