diff --git a/evil-collection-ruby-mode.el b/evil-collection-ruby-mode.el
new file mode 100644
index 0000000..0c7d11d
--- /dev/null
+++ b/evil-collection-ruby-mode.el
@@ -0,0 +1,42 @@
+;;; evil-collection-ruby-mode.el --- Bindings for `ruby-mode'. -*- lexical-binding: t -*-
+
+;; Copyright (C) 2017 James Nguyen
+
+;; Author: James Nguyen <james@jojojames.com>
+;; Maintainer: James Nguyen <james@jojojames.com>
+;; Pierre Neidhardt <ambrevar@gmail.com>
+;; URL: https://github.com/jojojames/evil-collection
+;; Version: 0.0.1
+;; Package-Requires: ((emacs "25.1"))
+;; Keywords: emacs, tools, ruby
+
+;; This program is free software; you can redistribute it and/or modify
+;; it under the terms of the GNU General Public License as published by
+;; the Free Software Foundation, either version 3 of the License, or
+;; (at your option) any later version.
+
+;; This program is distributed in the hope that it will be useful,
+;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+;; GNU General Public License for more details.
+
+;; You should have received a copy of the GNU General Public License
+;; along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+;;; Commentary:
+;;; Bindings for `ruby-mode'.
+
+;;; Code:
+(require 'evil)
+(require 'ruby-mode)
+
+(defun evil-collection-ruby-mode-set-evil-shift-width ()
+  "Set `evil-shift-width' according to `ruby-indent-level'."
+  (setq evil-shift-width ruby-indent-level))
+
+(defun evil-collection-ruby-mode-setup ()
+  "Set up `evil' bindings for `python'."
+  (add-hook 'ruby-mode-hook #'evil-collection-ruby-mode-set-evil-shift-width))
+
+(provide 'evil-collection-ruby-mode)
+;;; evil-collection-ruby-mode.el ends here
diff --git a/evil-collection.el b/evil-collection.el
index 33d9d03..b77b5ae 100644
--- a/evil-collection.el
+++ b/evil-collection.el
@@ -90,6 +90,7 @@
     prodigy
     profiler
     python
+    ruby-mode
     rtags
     slime
     (term term ansi-term multi-term)