diff --git a/guides/bug_report_templates/benchmark.rb b/guides/bug_report_templates/benchmark.rb
index 4a8ce787c7..c32c01a226 100644
--- a/guides/bug_report_templates/benchmark.rb
+++ b/guides/bug_report_templates/benchmark.rb
@@ -7,7 +7,7 @@ gemfile(true) do
 
   git_source(:github) { |repo| "https://github.com/#{repo}.git" }
 
-  gem "rails", github: "rails/rails"
+  gem "rails", github: "rails/rails", branch: "main"
   gem "benchmark-ips"
 end