diff --git a/Gemfile b/Gemfile
index cf80388..b70a064 100644
--- a/Gemfile
+++ b/Gemfile
@@ -5,7 +5,7 @@ git_source(:github) do |repo_name|
 end
 
 # Bundle edge Rails instead: gem 'rails', github: 'rails/rails'
-gem 'rails', '~> 5.1.4'
+gem 'rails', '~> 5.2.8', '>= 5.2.8.1'
 gem 'puma', '~> 3.7'
 gem 'sass-rails', '~> 5.0'
 gem 'uglifier', '>= 1.3.0'