diff --git a/pkgs/applications/networking/mailreaders/notmuch/default.nix b/pkgs/applications/networking/mailreaders/notmuch/default.nix
index 69de3ef5d51..106be4fddc4 100644
--- a/pkgs/applications/networking/mailreaders/notmuch/default.nix
+++ b/pkgs/applications/networking/mailreaders/notmuch/default.nix
@@ -12,7 +12,7 @@
 with stdenv.lib;
 
 stdenv.mkDerivation rec {
-  version = "0.28";
+  version = "0.28.1";
   name = "notmuch-${version}";
 
   passthru = {
@@ -22,7 +22,7 @@ stdenv.mkDerivation rec {
 
   src = fetchurl {
     url = "https://notmuchmail.org/releases/${name}.tar.gz";
-    sha256 = "0dqarmjc8544m2w7bqrqmvsfy55fw82707z3lz9cql8nr777bjmc";
+    sha256 = "0mcsfkrp6mpy374m5rwwgm9md8qzvwa3s4rbzid4cnkx2cwfj4fi";
   };
 
   nativeBuildInputs = [ pkgconfig ];