diff --git a/Appraisals b/Appraisals
index dec0218c..b830d405 100644
--- a/Appraisals
+++ b/Appraisals
@@ -25,5 +25,5 @@ appraise 'rails-8.0' do
 end
 
 appraise 'rails-edge' do
-  gem 'rails', git: 'https://github.com/rails/rails.git', branch: 'main'
+  gem 'rails', git: 'https://github.com/zzak/rails.git', branch: 're-55619'
 end
diff --git a/gemfiles/rails_edge.gemfile b/gemfiles/rails_edge.gemfile
index 7d77767f..ffa5c66a 100644
--- a/gemfiles/rails_edge.gemfile
+++ b/gemfiles/rails_edge.gemfile
@@ -20,6 +20,6 @@ gem "simplecov-lcov"
 gem "sinatra"
 gem "sqlite3"
 gem "webrick"
-gem "rails", git: "https://github.com/rails/rails.git", branch: "main"
+gem "rails", git: "https://github.com/zzak/rails.git", branch: "re-55619"
 
 gemspec path: "../"