diff --git a/Gemfile b/Gemfile
index 1470d37..d59be4c 100644
--- a/Gemfile
+++ b/Gemfile
@@ -23,7 +23,7 @@ group :test do
   gem 'nyny'
   gem 'roda', '~> 2'
 
-  gem 'rails', '~> 5.1.0'
+  gem 'rails', '~> 6.0.3', '>= 6.0.3.5'
   gem 'rspec-rails', '~> 3.5.0'
 
   gem 'sinatra', github: 'sinatra'