diff --git a/Dockerfile.dev b/Dockerfile.dev
index c1d05fe..be6f1e9 100644
--- a/Dockerfile.dev
+++ b/Dockerfile.dev
@@ -1,4 +1,4 @@
-FROM ruby:2.3.8
+FROM ruby:2.4.9
 
 ENV RAILS_ENV development
 
diff --git a/Gemfile b/Gemfile
index 988e256..4dc4c4a 100644
--- a/Gemfile
+++ b/Gemfile
@@ -2,10 +2,10 @@
 
 source 'http://rubygems.org'
 
-ruby '2.3.8'
+ruby '2.4.9'
 
 # Rails core
-gem 'rails', '~> 4.2.11.1'
+gem 'rails', '~> 5.2.4.1'
 gem 'rake', '< 11.0'
 gem 'responders'
 
@@ -28,17 +28,17 @@ gem 'unread', '0.10.1'
 # gem "acts_as_rateable", :git => "git://github.com/anton-zaytsev/acts_as_rateable.git"
 
 # View helper gems
-gem 'active_link_to', '~> 1.0.2'
-gem 'bbcoder', '~> 1.0.1'
-gem 'bluecloth', '~> 2.2.0'
-gem 'carrierwave', '~> 0.10.0'
+gem 'active_link_to'
+gem 'bbcoder'
+gem 'bluecloth'
+gem 'carrierwave'
 gem 'country_select', require: 'country_select_without_sort_alphabetical'
-gem 'dynamic_form', '~> 1.1.4'
+gem 'dynamic_form'
 gem 'i18n_country_select'
-gem 'nokogiri', '~> 1.9.0'
-gem 'public_suffix', '~> 3.1.1'
+gem 'nokogiri'
+gem 'public_suffix'
 gem 'rmagick'
-gem 'sanitize', '~> 2.1.0'
+gem 'sanitize'
 gem 'will_paginate', '~> 3.0.5'
 
 # External APIs
@@ -46,56 +46,55 @@ gem 'google-api-client', '~> 0.10.3'
 gem 'steam-condenser', github: 'koraktor/steam-condenser-ruby'
 
 # FIXME: Legacy feature shims
-gem 'protected_attributes', '~> 1.1.3'
-gem 'rails_autolink', '~> 1.1.5'
+# gem 'protected_attributes'
+gem 'rails_autolink'
 
 # Javascript
-gem 'coffee-rails', '~> 4.0.0'
+gem 'coffee-rails'
 gem 'i18n-js'
-gem 'jquery-rails', '~> 2.0.2'
-gem 'tinymce-rails', '~> 3.5.9'
+gem 'jquery-rails'
+gem 'tinymce-rails'
 
 # Please install nodejs locally.
 # gem 'therubyracer', '~> 0.12.1' if RUBY_PLATFORM == 'x86_64-linux'
 
-gem 'bourbon', '~> 3.1.8'
-gem 'font-awesome-sass', '~> 4.1.0.0'
-gem 'haml', '~> 4.0.5'
-gem 'neat', '~> 1.6.0'
-gem 'sass-rails', '~> 5.0.3'
+gem 'bourbon'
+gem 'font-awesome-sass'
+gem 'haml'
+gem 'neat'
+gem 'sass-rails'
 gem 'uglifier', '~> 2.5.0'
 
 # Dependency version fix
 gem 'signet', '0.11.0'
 
 group :production do
-  gem 'newrelic_rpm', '~> 3.13.0.299'
+  gem 'newrelic_rpm'
 end
 
 group :development do
   gem 'annotate'
   gem 'better_errors'
   gem 'binding_of_caller'
-  gem 'quiet_assets'
   gem 'spring', '2.0.2'
-  gem 'web-console'
+  gem 'web-console', '3.7.0'
   gem 'rubocop'
 end
 
 group :test do
   #  gem 'spring'
-  gem 'capybara', '~> 2.4.4'
-  gem 'codeclimate-test-reporter', '~> 0.3.0', require: nil
-  gem 'database_cleaner', '~> 1.2.0'
+  gem 'capybara'
+  gem 'codeclimate-test-reporter', require: nil
+  gem 'database_cleaner'
   gem 'factory_bot_rails'
   gem 'phantomjs', require: 'phantomjs/poltergeist'
-  gem 'poltergeist', '~> 1.6.0'
+  gem 'poltergeist'
   gem 'rspec'
-  gem 'rspec-rails', '~> 3.3.3'
+  gem 'rspec-rails'
   gem 'selenium-webdriver'
-  gem 'simplecov', '~> 0.7.1', require: false
-  gem 'test-unit', '~> 3.1.3'
-  gem 'timecop', '~> 0.7.1'
+  gem 'simplecov', require: false
+  gem 'test-unit'
+  gem 'timecop'
 end
 
 group :development, :test do