diff --git a/Rails.md b/Rails.md
index 8f17b24..50de89b 100644
--- a/Rails.md
+++ b/Rails.md
@@ -32,6 +32,7 @@ Wenn wir uns in Rails verliebt haben sollten können wir uns [hier](https://tees
 - [Icon Helper](https://webcrunch.com/posts/svg-icons-with-ruby-on-rails)
 - [Letter Opener](https://github.com/ryanb/letter_opener) Preview email in the default browser instead of sending it
 - [Simple Forms](https://github.com/heartcombo/simple_form)
+- [Auto Session Timeout](https://github.com/pelargir/auto-session-timeout)
 
 ## Interessante Javascript Plugins