diff --git a/lisp/version.el b/lisp/version.el
index 1eea92e727c..8a68c6f4a53 100644
--- a/lisp/version.el
+++ b/lisp/version.el
@@ -27,7 +27,7 @@
 
 ;;; Code:
 
-(defconst emacs-version "21.2.50" "\
+(defconst emacs-version "22.0.0" "\
 Version numbers of this version of Emacs.")
 
 (defconst emacs-major-version