--- a/Gemfile
+++ b/Gemfile
@@ -81,7 +81,7 @@
 # API
 gem 'grape', '~> 1.1.0'
 gem 'grape-entity', '~> 0.7.1'
-gem 'rack-cors', '~> 1.0.0', require: 'rack/cors'
+gem 'rack-cors', '~> 1.0', require: 'rack/cors'
 
 # GraphQL API
 gem 'graphql', '~> 1.9.11'