diff --git a/Gemfile b/Gemfile
index 6895ac2..273cf04 100644
--- a/Gemfile
+++ b/Gemfile
@@ -2,13 +2,13 @@ source 'https://rubygems.org'
 
 ruby '1.9.3'
 
-gem 'rails', '3.2.18'
+gem 'rails', '6.1.7.9'
 gem 'thin', '1.3.1'
 gem 'pg', '0.13.2'
 gem 'haml', '3.1.4'
 gem 'haml-rails', '0.3.4'
 gem 'sass', '~> 3.2.1'
-gem 'rails_admin'
+gem 'rails_admin', '>= 3.0.0'
 gem 'devise', '2.0.4'
 gem 'sunspot_rails', '1.3.1'
 gem 'gmaps4rails', '1.5.1'
@@ -36,7 +36,7 @@ end
 # Gems used only for assets and not required
 # in production environments by default.
 group :assets do
-  gem 'sass-rails',   '3.2.5'
+  gem 'sass-rails', '6.0.0'
   gem 'coffee-rails', '3.2.2'
   gem 'uglifier', '1.2.4'
 end