diff --git a/Gemfile b/Gemfile
index fd3824b450..e57cc9b443 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-source 'https://rubygems.org'
+source 'https://gem.coop'
 git_source(:github) { |repo_name| "https://github.com/#{repo_name}.git" }
 
 ruby File.read('.ruby-version').chomp
diff --git a/Gemfile.lock b/Gemfile.lock
index 992c3e4e3c..f6d41f71f1 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -46,7 +46,7 @@ PATH
     web (0.0.1)
 
 GEM
-  remote: https://rubygems.org/
+  remote: https://gem.coop/
   specs:
     Ascii85 (2.0.1)
     actioncable (7.1.6)