Gemfile in solidus_gateway-1.0.1 vs Gemfile in solidus_gateway-1.1.0

@@ -1,9 +1,13 @@
 source "https://rubygems.org"
 
-gem "solidus", github: "solidusio/solidus", branch: "master"
+branch = ENV.fetch('SOLIDUS_BRANCH', 'master')
+gem "solidus", github: "solidusio/solidus", branch: branch
 
 group :development, :test do
   gem "pry-rails"
 end
+
+gem 'pg'
+gem 'mysql2'
 
 gemspec