diff --git a/readme-ja.md b/readme-ja.md
index ca13767d..f66d9b1a 100644
--- a/readme-ja.md
+++ b/readme-ja.md
@@ -23,6 +23,9 @@
 ## Contributors
 [Great contributors](https://github.com/BoostIO/Boostnote/graphs/contributors) :tada:
 
+## slack group
+私たちにはslack groupもあります！世界中のプログラマー達と、Boostnoteについてディスカッションをしましょう！ <br>
+https://boostnote-group.slack.com/shared_invite/MTU3ODcwNzY1ODk0LTE0OTAwNjQ0NTYtMjY4NTYwOTdmYQ
 
 ## More Information
 * Website: http://boostnote.io/
diff --git a/readme.md b/readme.md
index 25733020..79ca12b2 100644
--- a/readme.md
+++ b/readme.md
@@ -23,6 +23,9 @@
 ## Contributors
 [Great contributors](https://github.com/BoostIO/Boostnote/graphs/contributors) :tada:
 
+## slack group
+Let's talk about Boostnote's feature, request, Japanese gourmet and things like that🍣 <br>
+https://boostnote-group.slack.com/shared_invite/MTU3ODcwNzY1ODk0LTE0OTAwNjQ0NTYtMjY4NTYwOTdmYQ
 
 ## More Information
 * Website: http://boostnote.io/