diff --git a/Gemfile b/Gemfile
index b259dad76..79ec63020 100644
--- a/Gemfile
+++ b/Gemfile
@@ -29,7 +29,7 @@ gem 'jquery-rails'
 gem 'selectize-rails', '0.12.1' # include selectize.js for select
 gem 'kaminari'
 gem 'coderay',          '1.1.0'   # xml console visualize
-gem 'sassc-rails'
+gem 'sass-rails'
 gem 'select2-rails',    '3.5.9.3' # for autocomplete
 gem 'cancancan'
 gem 'devise', '~> 4.7'
diff --git a/Gemfile.lock b/Gemfile.lock
index 2587bee18..2acfbd90f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -402,6 +402,8 @@ GEM
     ruby2_keywords (0.0.2)
     rubyzip (2.2.0)
     safe_yaml (1.0.5)
+    sass-rails (6.0.0)
+      sassc-rails (~> 2.1, >= 2.1.1)
     sassc (2.2.1)
       ffi (~> 1.9)
     sassc-rails (2.1.2)
@@ -535,7 +537,7 @@ DEPENDENCIES
   rails-settings-cached (= 0.7.2)
   ransack (~> 2.3)
   rest-client
-  sassc-rails
+  sass-rails
   sdoc (= 0.4.1)
   select2-rails (= 3.5.9.3)
   selectize-rails (= 0.12.1)