diff --git a/README.md b/README.md
index ce0cac3..0740782 100644
--- a/README.md
+++ b/README.md
@@ -34,12 +34,19 @@ The callback chain & order on a successful event looks like:
 
 ## Installation ##
 
-### From RubyGems.org ###
+### Manually from RubyGems.org ###
 
 ```sh
 % gem install aasm
 ```
 
+### Or if you are using Bundler ###
+
+```ruby
+# Gemfile
+gem 'aasm'
+```
+
 ### Building your own gems ###
 
 ```sh