diff --git a/gstack-http/pom.xml b/gstack-http/pom.xml
index 6b89fdd..9d44d38 100644
--- a/gstack-http/pom.xml
+++ b/gstack-http/pom.xml
@@ -52,7 +52,7 @@
         <dependency>
             <groupId>com.google.code.gson</groupId>
             <artifactId>gson</artifactId>
-            <version>2.8.5</version>
+            <version>2.8.9</version>
         </dependency>
         <dependency>
             <groupId>org.apache.calcite</groupId>