diff --git a/service6-es/service1-es-base/pom.xml b/service6-es/service1-es-base/pom.xml
index f4b3b0c..d659196 100644
--- a/service6-es/service1-es-base/pom.xml
+++ b/service6-es/service1-es-base/pom.xml
@@ -44,7 +44,7 @@
         <dependency>
             <groupId>com.google.code.gson</groupId>
             <artifactId>gson</artifactId>
-            <version>2.8.0</version>
+            <version>2.8.9</version>
         </dependency>
         <!--es-->
         <dependency>