diff --git a/Formula/mercurial.rb b/Formula/mercurial.rb
index 65611510c7..b43bbf164c 100644
--- a/Formula/mercurial.rb
+++ b/Formula/mercurial.rb
@@ -2,8 +2,8 @@ require 'formula'
 
 class Mercurial < Formula
   homepage 'http://mercurial.selenic.com/'
-  url 'http://mercurial.selenic.com/release/mercurial-2.5.tar.gz'
-  sha1 '21800a6355fadd67ddb85205f8dd887798502da6'
+  url 'http://mercurial.selenic.com/release/mercurial-2.5.1.tar.gz'
+  sha1 '91daddc64fa3cb3cb0bd85876030ced0d4ff7e5b'
 
   head 'http://selenic.com/repo/hg', :using => :hg