diff --git a/Library/Formula/emacs.rb b/Library/Formula/emacs.rb
index ccb2979aea82..71f272e5fe37 100644
--- a/Library/Formula/emacs.rb
+++ b/Library/Formula/emacs.rb
@@ -14,8 +14,8 @@ class Emacs < Formula
   end
 
   devel do
-    url "http://git.sv.gnu.org/r/emacs.git", :branch => "emacs-24"
-    version "24.5-dev"
+    url "http://git.sv.gnu.org/r/emacs.git", :branch => "emacs-25"
+    version "25.0-dev"
     depends_on "autoconf" => :build
     depends_on "automake" => :build
   end