diff --git a/Gemfile b/Gemfile
index bea9f5d..0063127 100644
--- a/Gemfile
+++ b/Gemfile
@@ -12,7 +12,7 @@ gem 'rails', '~> 5.0.6'
 gem 'pg', '~> 0.18'
 # Use Puma as the app server
 gem 'puma', '~> 3.0'
-gem 'bootstrap-sass', '~> 3.3.6'
+gem 'bootstrap-sass', '~> 3.4.0'
 # Use SCSS for stylesheets
 gem 'sass-rails', '~> 5.0'
 # Use Uglifier as compressor for JavaScript assets
@@ -23,7 +23,7 @@ gem 'coffee-rails', '~> 4.2'
 # gem 'therubyracer', platforms: :ruby
 
 # Use jquery as the JavaScript library
-gem 'jquery-rails'
+gem 'jquery-rails', '>= 4.3.4'
 # Turbolinks makes navigating your web application faster. Read more: https://github.com/turbolinks/turbolinks
 gem 'turbolinks', '~> 5'
 # Build JSON APIs with ease. Read more: https://github.com/rails/jbuilder
diff --git a/Gemfile.lock b/Gemfile.lock
index 4446152..b9bc3b5 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -39,12 +39,12 @@ GEM
       minitest (~> 5.1)
       tzinfo (~> 1.1)
     arel (7.1.4)
-    autoprefixer-rails (7.1.4.1)
+    autoprefixer-rails (9.6.0)
       execjs
     bindex (0.5.0)
-    bootstrap-sass (3.3.7)
+    bootstrap-sass (3.4.1)
       autoprefixer-rails (>= 5.2.1)
-      sass (>= 3.3.4)
+      sassc (>= 2.0.0)
     builder (3.2.3)
     byebug (9.1.0)
     coffee-rails (4.2.2)
@@ -54,43 +54,43 @@ GEM
       coffee-script-source
       execjs
     coffee-script-source (1.12.2)
-    concurrent-ruby (1.0.5)
-    crass (1.0.2)
+    concurrent-ruby (1.1.5)
+    crass (1.0.4)
     erubis (2.7.0)
     execjs (2.7.0)
-    ffi (1.9.18)
+    ffi (1.11.1)
     globalid (0.4.1)
       activesupport (>= 4.2.0)
-    i18n (0.9.0)
+    i18n (0.9.5)
       concurrent-ruby (~> 1.0)
     jbuilder (2.7.0)
       activesupport (>= 4.2.0)
       multi_json (>= 1.2)
-    jquery-rails (4.3.1)
+    jquery-rails (4.3.5)
       rails-dom-testing (>= 1, < 3)
       railties (>= 4.2.0)
       thor (>= 0.14, < 2.0)
     listen (3.0.8)
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
-    loofah (2.1.1)
+    loofah (2.2.3)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.6.6)
       mime-types (>= 1.16, < 4)
-    method_source (0.9.0)
+    method_source (0.9.2)
     mime-types (3.1)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2016.0521)
-    mini_portile2 (2.3.0)
-    minitest (5.10.3)
+    mini_portile2 (2.4.0)
+    minitest (5.11.3)
     multi_json (1.12.2)
     nio4r (2.1.0)
-    nokogiri (1.8.1)
-      mini_portile2 (~> 2.3.0)
+    nokogiri (1.10.3)
+      mini_portile2 (~> 2.4.0)
     pg (0.21.0)
     puma (3.10.0)
-    rack (2.0.3)
+    rack (2.0.7)
     rack-test (0.6.3)
       rack (>= 1.0)
     rails (5.0.6)
@@ -108,19 +108,19 @@ GEM
     rails-dom-testing (2.0.3)
       activesupport (>= 4.2.0)
       nokogiri (>= 1.6)
-    rails-html-sanitizer (1.0.3)
-      loofah (~> 2.0)
+    rails-html-sanitizer (1.0.4)
+      loofah (~> 2.2, >= 2.2.2)
     railties (5.0.6)
       actionpack (= 5.0.6)
       activesupport (= 5.0.6)
       method_source
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
-    rake (12.2.1)
-    rb-fsevent (0.10.2)
-    rb-inotify (0.9.10)
-      ffi (>= 0.5.0, < 2)
-    sass (3.5.3)
+    rake (12.3.2)
+    rb-fsevent (0.10.3)
+    rb-inotify (0.10.0)
+      ffi (~> 1.0)
+    sass (3.7.4)
       sass-listen (~> 4.0.0)
     sass-listen (4.0.0)
       rb-fsevent (~> 0.9, >= 0.9.4)
@@ -131,6 +131,9 @@ GEM
       sprockets (>= 2.8, < 4.0)
       sprockets-rails (>= 2.0, < 4.0)
       tilt (>= 1.1, < 3)
+    sassc (2.0.1)
+      ffi (~> 1.9)
+      rake
     spring (2.0.2)
       activesupport (>= 4.2)
     spring-watcher-listen (2.0.1)
@@ -143,13 +146,13 @@ GEM
       actionpack (>= 4.0)
       activesupport (>= 4.0)
       sprockets (>= 3.0.0)
-    thor (0.20.0)
+    thor (0.20.3)
     thread_safe (0.3.6)
     tilt (2.0.8)
     turbolinks (5.0.1)
       turbolinks-source (~> 5)
     turbolinks-source (5.0.3)
-    tzinfo (1.2.4)
+    tzinfo (1.2.5)
       thread_safe (~> 0.1)
     uglifier (3.2.0)
       execjs (>= 0.3.0, < 3)
@@ -166,11 +169,11 @@ PLATFORMS
   ruby
 
 DEPENDENCIES
-  bootstrap-sass (~> 3.3.6)
+  bootstrap-sass (~> 3.4.0)
   byebug
   coffee-rails (~> 4.2)
   jbuilder (~> 2.5)
-  jquery-rails
+  jquery-rails (>= 4.3.4)
   listen (~> 3.0.5)
   pg (~> 0.18)
   puma (~> 3.0)
@@ -184,4 +187,4 @@ DEPENDENCIES
   web-console (>= 3.3.0)
 
 BUNDLED WITH
-   1.10.6
+   1.17.3