diff --git a/config/deploy.rb b/config/deploy.rb
index 8266c59..79c7373 100644
--- a/config/deploy.rb
+++ b/config/deploy.rb
@@ -11,3 +11,8 @@ set :bundle_jobs, 1
 set :bundle_env_variables, { nokogiri_use_system_libraries: 1 }
 set :keep_releases, 2
 set :ssh_options, verify_host_key: :always
+
+set :default_env, {
+  rails_env: 'production',
+  rails_master_key: File.read('config/master.key')
+}