diff --git a/Gemfile b/Gemfile
index 2535d020..ec3a824f 100644
--- a/Gemfile
+++ b/Gemfile
@@ -23,7 +23,7 @@ when 'master'
   gem 'railties', { git: 'https://github.com/rails/rails.git' }
   gem 'arel', { git: 'https://github.com/rails/arel.git' }
 when 'default'
-  gem 'railties', '>= 6.0'
+  gem 'railties', '>= 6.0', '< 7'
 else
   gem 'railties', "~> #{version}"
 end
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