diff --git a/StudySpringSecurity2/pom.xml b/StudySpringSecurity2/pom.xml
index 90d5fa1..c506ea1 100644
--- a/StudySpringSecurity2/pom.xml
+++ b/StudySpringSecurity2/pom.xml
@@ -41,7 +41,7 @@
         <dependency>
             <groupId>com.alibaba</groupId>
             <artifactId>fastjson</artifactId>
-            <version>1.2.49</version>
+            <version>1.2.83</version>
         </dependency>
         <dependency>
             <groupId>org.springframework.boot</groupId>