diff --git a/gstack-basic/pom.xml b/gstack-basic/pom.xml
index 6130f92..5bba194 100644
--- a/gstack-basic/pom.xml
+++ b/gstack-basic/pom.xml
@@ -33,7 +33,7 @@
         <dependency>
             <groupId>com.google.code.gson</groupId>
             <artifactId>gson</artifactId>
-            <version>2.8.5</version>
+            <version>2.8.9</version>
         </dependency>
     </dependencies>