diff --git a/Gemfile b/Gemfile
index 0e6cc1a..b429e39 100644
--- a/Gemfile
+++ b/Gemfile
@@ -11,7 +11,7 @@ gem 'haml', '~> 4.0.6'
 gem 'pygments.rb', '~> 0.6.3'
 gem 'codemirror-rails', '~> 5.5'
 gem 'foundation-rails', '~> 5.5.2.1'
-gem 'jquery-rails', '~> 4.0.4' # Use jquery as the JavaScript library
+gem 'jquery-rails', '~> 4.3.5' # Use jquery as the JavaScript library
 gem 'turbolinks', '~> 2.5.3' # Turbolinks makes following links in your web application faster. Read more: https://github.com/rails/turbolinks
 gem 'jbuilder', '~> 2.3.1' # Build JSON APIs with ease. Read more: https://github.com/rails/jbuilder
 gem 'gems', '~> 0.8.3'
diff --git a/Gemfile.lock b/Gemfile.lock
index d0199de..62f5a49 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -44,7 +44,7 @@ GEM
       rack (>= 0.9.0)
     binding_of_caller (0.7.2)
       debug_inspector (>= 0.0.1)
-    builder (3.2.2)
+    builder (3.2.4)
     byebug (5.0.0)
       columnize (= 0.9.0)
     capistrano (3.4.0)
@@ -69,8 +69,10 @@ GEM
     coffee-script-source (1.9.1.1)
     colorize (0.7.7)
     columnize (0.9.0)
+    concurrent-ruby (1.1.6)
     crack (0.4.2)
       safe_yaml (~> 1.0.0)
+    crass (1.0.6)
     debug_inspector (0.0.2)
     diff-lcs (1.2.5)
     domain_name (0.5.24)
@@ -88,30 +90,32 @@ GEM
       tilt
     http-cookie (1.0.2)
       domain_name (~> 0.5)
-    i18n (0.7.0)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
     jbuilder (2.3.1)
       activesupport (>= 3.0.0, < 5)
       multi_json (~> 1.2)
-    jquery-rails (4.0.4)
-      rails-dom-testing (~> 1.0)
+    jquery-rails (4.3.5)
+      rails-dom-testing (>= 1, < 3)
       railties (>= 4.2.0)
       thor (>= 0.14, < 2.0)
-    json (1.8.3)
-    loofah (2.0.2)
+    json (1.8.6)
+    loofah (2.5.0)
+      crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.6.3)
       mime-types (>= 1.16, < 3)
     method_source (0.8.2)
     mime-types (2.6.1)
-    mini_portile (0.6.2)
-    minitest (5.7.0)
+    mini_portile2 (2.4.0)
+    minitest (5.14.0)
     multi_json (1.11.2)
     net-scp (1.2.1)
       net-ssh (>= 2.6.5)
     net-ssh (2.9.2)
     netrc (0.10.3)
-    nokogiri (1.6.6.2)
-      mini_portile (~> 0.6.0)
+    nokogiri (1.10.9)
+      mini_portile2 (~> 2.4.0)
     pg (0.18.4)
     posix-spawn (0.3.11)
     pry (0.10.1)
@@ -124,7 +128,7 @@ GEM
     pygments.rb (0.6.3)
       posix-spawn (~> 0.3.6)
       yajl-ruby (~> 1.2.0)
-    rack (1.6.4)
+    rack (1.6.13)
     rack-test (0.6.3)
       rack (>= 1.0)
     rails (4.2.3)
@@ -140,18 +144,18 @@ GEM
       sprockets-rails
     rails-deprecated_sanitizer (1.0.3)
       activesupport (>= 4.2.0.alpha)
-    rails-dom-testing (1.0.6)
-      activesupport (>= 4.2.0.beta, < 5.0)
-      nokogiri (~> 1.6.0)
+    rails-dom-testing (1.0.9)
+      activesupport (>= 4.2.0, < 5.0)
+      nokogiri (~> 1.6)
       rails-deprecated_sanitizer (>= 1.0.1)
-    rails-html-sanitizer (1.0.2)
-      loofah (~> 2.0)
+    rails-html-sanitizer (1.3.0)
+      loofah (~> 2.3)
     railties (4.2.3)
       actionpack (= 4.2.3)
       activesupport (= 4.2.3)
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
-    rake (10.4.2)
+    rake (13.0.1)
     rdoc (4.2.0)
     rest-client (1.8.0)
       http-cookie (>= 1.0.2, < 2.0)
@@ -197,12 +201,12 @@ GEM
       colorize (>= 0.7.0)
       net-scp (>= 1.1.2)
       net-ssh (>= 2.8.0)
-    thor (0.19.1)
-    thread_safe (0.3.5)
+    thor (1.0.1)
+    thread_safe (0.3.6)
     tilt (1.4.1)
     turbolinks (2.5.3)
       coffee-rails
-    tzinfo (1.2.2)
+    tzinfo (1.2.7)
       thread_safe (~> 0.1)
     uglifier (2.7.1)
       execjs (>= 0.3.0)
@@ -236,7 +240,7 @@ DEPENDENCIES
   gems (~> 0.8.3)
   haml (~> 4.0.6)
   jbuilder (~> 2.3.1)
-  jquery-rails (~> 4.0.4)
+  jquery-rails (~> 4.3.5)
   pg
   pry-byebug
   pygments.rb (~> 0.6.3)