diff --git a/Gemfile b/Gemfile
index 2ddc27d..1532614 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,7 +1,6 @@
 source "https://rubygems.org"
 
 git_source(:github) { |repo| "https://github.com/#{repo}.git" }
-git_source(:bc)     { |repo| "https://github.com/basecamp/#{repo}" }
 
 # Rails
 gem "rails", github: "rails/rails", branch: "main"