diff --git a/origami-parsers.el b/origami-parsers.el
index fd43a36..c0a03d2 100644
--- a/origami-parsers.el
+++ b/origami-parsers.el
@@ -2,7 +2,7 @@
 
 ;; Author: Greg Sexton <gregsexton@gmail.com>
 ;; Maintainer: Shen, Jen-Chieh <jcs090218@gmail.com>
-;; Version: 3.1
+;; Version: 4.0
 ;; Keywords: parsers
 ;; URL: https://github.com/emacs-origami/origami.el
 
diff --git a/origami-util.el b/origami-util.el
index 1bfd260..0325f2a 100644
--- a/origami-util.el
+++ b/origami-util.el
@@ -2,7 +2,7 @@
 
 ;; Author: Shen, Jen-Chieh <jcs090218@gmail.com>
 ;; Maintainer: Shen, Jen-Chieh <jcs090218@gmail.com>
-;; Version: 3.1
+;; Version: 4.0
 ;; Keywords: utility tool
 ;; URL: https://github.com/emacs-origami/origami.el
 
diff --git a/origami.el b/origami.el
index 3079fd6..791f0ff 100644
--- a/origami.el
+++ b/origami.el
@@ -2,7 +2,7 @@
 
 ;; Author: Greg Sexton <gregsexton@gmail.com>
 ;; Maintainer: Shen, Jen-Chieh <jcs090218@gmail.com>
-;; Version: 3.1
+;; Version: 4.0
 ;; Keywords: folding
 ;; URL: https://github.com/emacs-origami/origami.el
 ;; Package-Requires: ((emacs "24.4") (s "1.9.0") (dash "2.5.0"))