diff --git a/spring-boot-student-cache-caffeine/pom.xml b/spring-boot-student-cache-caffeine/pom.xml
index ed8bb64..5dd4d9e 100644
--- a/spring-boot-student-cache-caffeine/pom.xml
+++ b/spring-boot-student-cache-caffeine/pom.xml
@@ -58,7 +58,7 @@
         <dependency>
             <groupId>com.alibaba</groupId>
             <artifactId>fastjson</artifactId>
-            <version>1.2.31</version>
+            <version>1.2.83</version>
         </dependency>
         <!-- guava包 -->
         <dependency>