diff --git a/Gemfile b/Gemfile
index e6efd1f..f630228 100644
--- a/Gemfile
+++ b/Gemfile
@@ -8,7 +8,7 @@ gem 'mini_magick',             '4.5.1'
 gem 'fog',                     '1.38.0'
 gem 'will_paginate',           '3.1.0'
 gem 'bootstrap-will_paginate', '0.0.10'
-gem 'bootstrap-sass',          '3.3.6'
+gem 'bootstrap-sass',          '3.4.1'
 gem 'puma',                    '3.4.0'
 gem 'sass-rails',              '5.0.6'
 gem 'uglifier',                '3.0.0'