diff --git a/flow-microservice-payment/pom.xml b/flow-microservice-payment/pom.xml
index ec26166..1485d06 100644
--- a/flow-microservice-payment/pom.xml
+++ b/flow-microservice-payment/pom.xml
@@ -63,7 +63,7 @@
         <dependency>
             <groupId>com.google.code.gson</groupId>
             <artifactId>gson</artifactId>
-            <version>2.8.5</version>
+            <version>2.8.9</version>
         </dependency>
         <!--zxing-->
         <dependency>