diff --git a/code/guns-alipay/pom.xml b/code/guns-alipay/pom.xml
index 9617dfb..71c7e01 100644
--- a/code/guns-alipay/pom.xml
+++ b/code/guns-alipay/pom.xml
@@ -65,7 +65,7 @@
         <dependency>
             <groupId>com.google.code.gson</groupId>
             <artifactId>gson</artifactId>
-            <version>2.8.5</version>
+            <version>2.8.9</version>
         </dependency>
         <dependency>
             <groupId>org.springframework.boot</groupId>