diff --git a/Gemfile b/Gemfile
index 64eb531e1..5e33f49ed 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,7 +1,7 @@
 source :rubygems
 
-gem 'rack', '~> 1.2.2'
-gem 'rails', '~> 3.0.6'
+gem 'rack', '~> 2.2.20'
+gem 'rails', '~> 5.0.0'
 gem 'json', '~> 1.5.1'
 gem 'plucky', '~> 0.3.6'
 gem 'chronic', '~> 0.3.0'