diff --git a/Gemfile b/Gemfile
index 434f8b3cb..08f18247c 100644
--- a/Gemfile
+++ b/Gemfile
@@ -52,7 +52,7 @@ gem 'rubyzip', '1.2.1'
 
 group :development, :test do
   gem 'sass-rails', '~> 5.0.5' # locked
-  gem 'coffee-rails', '~> 4.2.1'
+  gem 'coffee-rails', '~> 4.2.2'
   gem 'pry', '~> 0.10.4'
   gem 'capybara', '~> 2.14.0'
   gem 'selenium-webdriver', '3.4.0'
diff --git a/Gemfile.lock b/Gemfile.lock
index 189427449..fc89f6db1 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -117,13 +117,13 @@ GEM
       ffi (~> 1.0, >= 1.0.11)
     cliver (0.3.2)
     coderay (1.1.1)
-    coffee-rails (4.2.1)
+    coffee-rails (4.2.2)
       coffee-script (>= 2.2.0)
-      railties (>= 4.0.0, < 5.2.x)
+      railties (>= 4.0.0)
     coffee-script (2.4.1)
       coffee-script-source
       execjs
-    coffee-script-source (1.10.0)
+    coffee-script-source (1.12.2)
     coveralls (0.8.21)
       json (>= 1.8, < 3)
       simplecov (~> 0.14.1)
@@ -148,7 +148,7 @@ GEM
     equivalent-xml (0.6.0)
       nokogiri (>= 1.4.3)
     erubis (2.7.0)
-    execjs (2.6.0)
+    execjs (2.7.0)
     faraday (0.12.1)
       multipart-post (>= 1.2, < 3)
     fastercsv (1.5.5)
@@ -447,7 +447,7 @@ DEPENDENCIES
   capistrano-rails (~> 1.2.3)
   capistrano-rbenv (~> 2.1.1)
   capybara (~> 2.14.0)
-  coffee-rails (~> 4.2.1)
+  coffee-rails (~> 4.2.2)
   coveralls (= 0.8.21)
   devise (~> 3.5.5)
   equivalent-xml (~> 0.6.0)