diff --git a/case 5.2 kafka/kafka-exception-back/pom.xml b/case 5.2 kafka/kafka-exception-back/pom.xml
index ea820bf1..6d3a3451 100644
--- a/case 5.2 kafka/kafka-exception-back/pom.xml	
+++ b/case 5.2 kafka/kafka-exception-back/pom.xml	
@@ -32,7 +32,7 @@
         <dependency>
             <groupId>com.alibaba</groupId>
             <artifactId>fastjson</artifactId>
-            <version>1.2.58</version>
+            <version>1.2.83</version>
         </dependency>
         <dependency>
             <groupId>org.springframework.kafka</groupId>