diff --git a/recipes/gems.rb b/recipes/gems.rb
index 31cf3c41..ad7bdccb 100644
--- a/recipes/gems.rb
+++ b/recipes/gems.rb
@@ -81,7 +81,7 @@
   when 'bootstrap3'
     add_gem 'bootstrap-sass'
   when 'bootstrap4'
-    add_gem 'bootstrap', '~> 4.0.0.alpha3.1'
+    add_gem 'bootstrap', '~> 4.0.0.alpha6'
   when 'foundation4'
     add_gem 'zurb-foundation', '~> 4.3.2'
     add_gem 'compass-rails', '~> 1.1.2'