diff --git a/Formula/notmuch.rb b/Formula/notmuch.rb
index 7151eb5c25..a4f7219d61 100644
--- a/Formula/notmuch.rb
+++ b/Formula/notmuch.rb
@@ -1,9 +1,8 @@
 class Notmuch < Formula
   desc "Thread-based email index, search, and tagging"
   homepage "https://notmuchmail.org"
-  url "https://notmuchmail.org/releases/notmuch-0.23.tar.gz"
-  sha256 "c5e75b658ee2b58c5ac7a79e34d2449d37ddfa5c9e67a736454ec296c9a0a1b8"
-  revision 1
+  url "https://notmuchmail.org/releases/notmuch-0.23.2.tar.gz"
+  sha256 "edfd7528d43bf1e1ab2620607f9fdcf772603455a61c2eb49978619c352c97bc"
 
   bottle do
     cellar :any
@@ -18,7 +17,7 @@ class Notmuch < Formula
   depends_on "gmime"
   depends_on "talloc"
   depends_on "xapian"
-  depends_on :emacs => ["21.1", :optional]
+  depends_on :emacs => ["24.1", :optional]
   depends_on :python3 => :optional
   depends_on :ruby => ["1.9", :optional]