diff --git a/ob-ipython.el b/ob-ipython.el
index 043fb9a..18fd449 100644
--- a/ob-ipython.el
+++ b/ob-ipython.el
@@ -1,6 +1,7 @@
 ;;; ob-ipython.el --- org-babel functions for IPython evaluation
 
 ;; Author: Greg Sexton <gregsexton@gmail.com>
+;; Version: 1.0.0
 ;; Keywords: literate programming, reproducible research
 ;; Homepage: http://www.gregsexton.org
 ;; Package-Requires: ((s "1.9.0") (dash "2.10.0") (dash-functional "1.2.0") (f "0.17.2") (emacs "24"))