diff --git a/devise_token_auth.gemspec b/devise_token_auth.gemspec
index 531ef2788..15482381e 100644
--- a/devise_token_auth.gemspec
+++ b/devise_token_auth.gemspec
@@ -22,7 +22,7 @@ Gem::Specification.new do |s|
 
   s.required_ruby_version = ">= 2.3.0"
 
-  s.add_dependency 'rails', '>= 4.2.0', '< 7.3'
+  s.add_dependency 'rails', '>= 4.2.0', '< 8.1'
   s.add_dependency 'devise', '> 3.5.2', '< 5'
   s.add_dependency 'bcrypt', '~> 3.0'