diff --git a/mybank/pom.xml b/mybank/pom.xml
index bc0d0cd..1cf6593 100644
--- a/mybank/pom.xml
+++ b/mybank/pom.xml
@@ -35,7 +35,7 @@
         <dependency>
             <groupId>com.alibaba</groupId>
             <artifactId>fastjson</artifactId>
-            <version>1.2.15</version>
+            <version>1.2.83</version>
         </dependency>
         <dependency>
             <groupId>org.apache.httpcomponents</groupId>