diff --git a/app/views/layouts/application.html.slim b/app/views/layouts/application.html.slim
index 70efa6a4..ceb8aba3 100644
--- a/app/views/layouts/application.html.slim
+++ b/app/views/layouts/application.html.slim
@@ -5,13 +5,13 @@ html lang='en'
     meta name='viewport' content='width=device-width, initial-scale=1'
     title = application_name
     link href=asset_path('favicon.png') rel='icon' type='image/png'
-    = stylesheet_link_tag('//maxcdn.bootstrapcdn.com/bootstrap/3.3.2/css/bootstrap.min.css')
-    = stylesheet_link_tag('//maxcdn.bootstrapcdn.com/bootswatch/3.3.2/yeti/bootstrap.min.css')
+    = stylesheet_link_tag('//maxcdn.bootstrapcdn.com/bootstrap/3.3.4/css/bootstrap.min.css')
+    = stylesheet_link_tag('//maxcdn.bootstrapcdn.com/bootswatch/3.3.4/yeti/bootstrap.min.css')
     = stylesheet_link_tag('//maxcdn.bootstrapcdn.com/font-awesome/4.3.0/css/font-awesome.min.css')
     = stylesheet_link_tag('application', media: 'all', 'data-turbolinks-track' => true)
     = javascript_include_tag('application', 'data-turbolinks-track' => true)
     = javascript_include_tag('//cdnjs.cloudflare.com/ajax/libs/underscore.js/1.8.2/underscore-min.js')
-    = javascript_include_tag('//maxcdn.bootstrapcdn.com/bootstrap/3.3.2/js/bootstrap.min.js')
+    = javascript_include_tag('//maxcdn.bootstrapcdn.com/bootstrap/3.3.4/js/bootstrap.min.js')
     = yield(:head)
     = csrf_meta_tags
   body