diff --git a/Gemfile b/Gemfile
index db9dc15..2224b5d 100644
--- a/Gemfile
+++ b/Gemfile
@@ -3,4 +3,4 @@ source "https://rubygems.org"
 gemspec
 
 gem 'sqlite3',                          :platforms => :ruby
-gem 'rails', '5.1.3'
+gem 'rails', '5.1.4'