diff --git a/config/deploy.rb b/config/deploy.rb
index f5d5c0742..94569ff5a 100644
--- a/config/deploy.rb
+++ b/config/deploy.rb
@@ -4,5 +4,5 @@ set :application, "danbooru"
 set :repo_url,  "git://github.com/r888888888/danbooru.git"
 set :scm, :git
 set :deploy_to, "/var/www/danbooru2"
-set :rbenv_ruby, "2.1.5"
+set :rbenv_ruby, "2.3.1"
 set :linked_dirs, fetch(:linked_dirs, []).push('log', 'tmp/pids', 'tmp/cache', 'tmp/sockets', 'vendor/bundle')