diff --git a/Gemfile.lock b/Gemfile.lock
index a23e6245..8d3e8fad 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -66,7 +66,7 @@ GEM
       railties (>= 3.0.0)
     hike (1.2.3)
     i18n (0.6.9)
-    jbuilder (2.0.4)
+    jbuilder (2.0.5)
       activesupport (>= 3.0.0)
       multi_json (>= 1.2.0)
     journey (1.0.4)
@@ -85,8 +85,8 @@ GEM
       treetop (~> 1.4.8)
     mime-types (1.25.1)
     mini_portile (0.5.2)
-    minitest (5.3.0)
-    multi_json (1.9.0)
+    minitest (5.3.1)
+    multi_json (1.9.2)
     mysql2 (0.3.15)
     nokogiri (1.6.1)
       mini_portile (~> 0.5.0)
@@ -140,8 +140,7 @@ GEM
       rspec-core (~> 2.14.0)
       rspec-expectations (~> 2.14.0)
       rspec-mocks (~> 2.14.0)
-    sass (3.3.0)
-      rake
+    sass (3.3.4)
     sass-rails (3.2.6)
       railties (~> 3.2.0)
       sass (>= 3.1.10)
@@ -170,13 +169,13 @@ GEM
       daemons (>= 1.0.9)
       eventmachine (>= 1.0.0)
       rack (>= 1.0.0)
-    thor (0.18.1)
+    thor (0.19.0)
     tilt (1.4.1)
     treetop (1.4.15)
       polyglot
       polyglot (>= 0.3.1)
-    tzinfo (0.3.38)
-    uglifier (2.4.0)
+    tzinfo (0.3.39)
+    uglifier (2.5.0)
       execjs (>= 0.3.0)
       json (>= 1.8.0)
     unicorn (4.8.2)
diff --git a/config/application.rb b/config/application.rb
index e98518cb..2e9904c2 100644
--- a/config/application.rb
+++ b/config/application.rb
@@ -32,6 +32,7 @@ class Application < Rails::Application
     # The default locale is :en and all translations from config/locales/*.rb,yml are auto loaded.
     # config.i18n.load_path += Dir[Rails.root.join('my', 'locales', '*.{rb,yml}').to_s]
     # config.i18n.default_locale = :de
+    config.i18n.enforce_available_locales = true
 
     # Configure the default encoding used in templates for Ruby 1.9.
     config.encoding = "utf-8"