diff --git a/pkgs/applications/networking/mailreaders/notmuch/default.nix b/pkgs/applications/networking/mailreaders/notmuch/default.nix
index 4304520383e..7cbec61b5e2 100644
--- a/pkgs/applications/networking/mailreaders/notmuch/default.nix
+++ b/pkgs/applications/networking/mailreaders/notmuch/default.nix
@@ -5,7 +5,7 @@
 }:
 
 stdenv.mkDerivation rec {
-  name = "notmuch-0.19";
+  name = "notmuch-0.20.2";
 
   passthru = {
     pythonSourceRoot = "${name}/bindings/python";
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
 
   src = fetchurl {
     url = "http://notmuchmail.org/releases/${name}.tar.gz";
-    sha256 = "1szf6c44g209pcjq5nvfhlp3nzcm3lrcwv4spsxmwy13hiaccvrr";
+    sha256 = "1v5dcnlg4km5hfaq0i0qywq5fn66fi0rq4aaibyqkwxz8mis4hgp";
   };
 
   buildInputs = [ bash emacs glib gmime gnupg pkgconfig talloc xapian sphinx python ]