diff --git a/Gemfile b/Gemfile
index 82fadcb..5fe466b 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,7 +1,7 @@
 source 'https://rubygems.org'
 ruby '2.2.2'
 
-gem 'dotenv'
+gem 'dotenv', group: :development
 
 gem 'json'
 
@@ -9,4 +9,4 @@ gem 'sinatra'
 gem 'pusher'
 
 gem 'puma'
-gem 'foreman'
+gem 'foreman', group: :development