diff --git a/Gemfile b/Gemfile
index 7105cee..5d10046 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,6 +1,6 @@
 source 'http://rubygems.org'
 
-gem 'rails', '3.0.7'
+gem 'rails', '5.2.4.3'
 
 # Bundle edge Rails instead:
 # gem 'rails', :git => 'git://github.com/rails/rails.git'