diff --git a/Gemfile b/Gemfile
index 37506f067..4e8eb8c7c 100644
--- a/Gemfile
+++ b/Gemfile
@@ -7,7 +7,7 @@ source 'https://rubygems.org'
 # requires radiant and therefore pulls in every
 # dependency mentioned in radiant.gemspec.
 
-gem "rails",   "2.3.18"
+gem "rails", "5.0.0"
 gem "sqlite3", "1.3.5", :group => [:development, :test], :platform => :ruby
 
 # When radiant is installed as a gem you can run all of