diff --git a/Gemfile b/Gemfile
index b0c92a1..01d1fbe 100644
--- a/Gemfile
+++ b/Gemfile
@@ -8,7 +8,7 @@ gem 'sqlite3'
 # Use SCSS for stylesheets
 gem 'sass-rails', '~> 5.0.1'
 # Use Uglifier as compressor for JavaScript assets
-gem 'uglifier', '>= 1.3.0'
+gem 'uglifier', '~> 2.7.0'
 # Use CoffeeScript for .js.coffee assets and views
 gem 'coffee-rails', '~> 4.1.0'
 # See https://github.com/sstephenson/execjs#readme for more supported runtimes
@@ -31,7 +31,7 @@ gem 'coveralls', '~> 0.7.2', require: false
 gem 'bootstrap-sass', '~> 3.3.1'
 gem 'autoprefixer-rails'
 
-gem 'bh', '~> 1.2'
+gem 'bh', '~> 1.3.1'
 
 gem 'will_paginate', '~> 3.0.6'
 gem 'will_paginate-bootstrap'
diff --git a/Gemfile.lock b/Gemfile.lock
index b6b94f5..b116ab1 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -37,16 +37,18 @@ GEM
       thread_safe (~> 0.3, >= 0.3.4)
       tzinfo (~> 1.1)
     arel (6.0.0)
-    autoprefixer-rails (4.0.2.2)
+    autoprefixer-rails (5.1.5)
       execjs
+      json
     bcrypt (3.1.10)
-    bh (1.2.0)
+    bh (1.3.1)
       actionpack
       activesupport
     binding_of_caller (0.7.2)
       debug_inspector (>= 0.0.1)
-    bootstrap-sass (3.3.1.0)
-      sass (~> 3.2)
+    bootstrap-sass (3.3.3)
+      autoprefixer-rails (>= 5.0.0.1)
+      sass (>= 3.2.19)
     builder (3.2.2)
     codemirror-rails (4.8)
       railties (>= 3.0, < 5)
@@ -56,13 +58,13 @@ GEM
     coffee-script (2.3.0)
       coffee-script-source
       execjs
-    coffee-script-source (1.8.0)
-    coveralls (0.7.2)
-      multi_json (~> 1.3)
-      rest-client (= 1.6.7)
-      simplecov (>= 0.7)
-      term-ansicolor (= 1.2.2)
-      thor (= 0.18.1)
+    coffee-script-source (1.9.0)
+    coveralls (0.7.9)
+      multi_json (~> 1.10)
+      rest-client (~> 1.7)
+      simplecov (~> 0.9.1)
+      term-ansicolor (~> 1.3)
+      thor (~> 0.19.1)
     debug_inspector (0.0.2)
     devise (3.4.1)
       bcrypt (~> 3.0)
@@ -74,8 +76,9 @@ GEM
     devise-bootstrap-views (0.0.4)
     docile (1.1.5)
     erubis (2.7.0)
-    execjs (2.2.2)
-    globalid (0.3.0)
+    execjs (2.3.0)
+    ffi (1.9.6)
+    globalid (0.3.2)
       activesupport (>= 4.1.0)
     hike (1.2.3)
     i18n (0.7.0)
@@ -86,7 +89,7 @@ GEM
       rails-dom-testing (~> 1.0)
       railties (>= 4.2.0)
       thor (>= 0.14, < 2.0)
-    json (1.8.1)
+    json (1.8.2)
     loofah (2.0.1)
       nokogiri (>= 1.5.9)
     mail (2.6.3)
@@ -95,13 +98,14 @@ GEM
       railties (>= 3.0)
     mime-types (2.4.3)
     mini_portile (0.6.2)
-    minitest (5.5.0)
+    minitest (5.5.1)
     multi_json (1.10.1)
-    nokogiri (1.6.5)
+    netrc (0.10.2)
+    nokogiri (1.6.6.2)
       mini_portile (~> 0.6.0)
     orm_adapter (0.5.0)
     rack (1.6.0)
-    rack-test (0.6.2)
+    rack-test (0.6.3)
       rack (>= 1.0)
     rails (4.2.0)
       actionmailer (= 4.2.0)
@@ -132,9 +136,11 @@ GEM
       json (~> 1.4)
     responders (2.1.0)
       railties (>= 4.2.0, < 5)
-    rest-client (1.6.7)
-      mime-types (>= 1.16)
-    sass (3.4.9)
+    rest-client (1.7.2)
+      ffi (~> 1.9)
+      mime-types (>= 1.16, < 3.0)
+      netrc (~> 0.7)
+    sass (3.4.11)
     sass-rails (5.0.1)
       railties (>= 4.0.0, < 5.0)
       sass (~> 3.1)
@@ -154,24 +160,24 @@ GEM
       multi_json (~> 1.0)
       rack (~> 1.0)
       tilt (~> 1.1, != 1.3.0)
-    sprockets-rails (2.2.2)
+    sprockets-rails (2.2.4)
       actionpack (>= 3.0)
       activesupport (>= 3.0)
       sprockets (>= 2.8, < 4.0)
     sqlite3 (1.3.10)
-    term-ansicolor (1.2.2)
-      tins (~> 0.8)
-    thor (0.18.1)
+    term-ansicolor (1.3.0)
+      tins (~> 1.0)
+    thor (0.19.1)
     thread_safe (0.3.4)
     tilt (1.4.1)
-    tins (0.13.2)
+    tins (1.3.4)
     turbolinks (2.5.3)
       coffee-rails
     tzinfo (1.2.2)
       thread_safe (~> 0.1)
-    tzinfo-data (1.2014.10)
+    tzinfo-data (1.2015.1)
       tzinfo (>= 1.0.0)
-    uglifier (2.6.1)
+    uglifier (2.7.0)
       execjs (>= 0.3.0)
       json (>= 1.8.0)
     warden (1.2.3)
@@ -190,7 +196,7 @@ PLATFORMS
 
 DEPENDENCIES
   autoprefixer-rails
-  bh (~> 1.2)
+  bh (~> 1.3.1)
   bootstrap-sass (~> 3.3.1)
   codemirror-rails
   coffee-rails (~> 4.1.0)
@@ -206,7 +212,7 @@ DEPENDENCIES
   sqlite3
   turbolinks
   tzinfo-data
-  uglifier (>= 1.3.0)
+  uglifier (~> 2.7.0)
   web-console (~> 2.0)
   will_paginate (~> 3.0.6)
   will_paginate-bootstrap