diff --git a/README.md b/README.md
index 22f46ce..e2b70a9 100644
--- a/README.md
+++ b/README.md
@@ -7,11 +7,11 @@
 [![codecov](https://codecov.io/gh/8398a7/action-slack/branch/master/graph/badge.svg)](https://codecov.io/gh/8398a7/action-slack)
 
 
-- [Document](https://action-slack.netlify.com)
+- [Document](https://action-slack.netlify.app)
 
 ## Quick Start
 
-You can learn more about it [here](https://action-slack.netlify.com/usecase/01-general).
+You can learn more about it [here](https://action-slack.netlify.app/usecase/01-general).
 
 ```yaml
 steps:
@@ -29,7 +29,7 @@ steps:
 
 ## Custom Formats of your choice
 
-You can learn more about it [here](https://action-slack.netlify.com/usecase/02-custom).
+You can learn more about it [here](https://action-slack.netlify.app/usecase/02-custom).
 
 ```yaml
 steps:
diff --git a/docs/config.js b/docs/config.js
index 4feee73..8f67d5a 100644
--- a/docs/config.js
+++ b/docs/config.js
@@ -1,7 +1,7 @@
 const config = {
   gatsby: {
     pathPrefix: '/',
-    siteUrl: 'https://action-slack.netlify.com',
+    siteUrl: 'https://action-slack.netlify.app',
     gaTrackingId: null,
     trailingSlash: false,
   },