diff --git a/pkgs/applications/networking/mailreaders/notmuch/default.nix b/pkgs/applications/networking/mailreaders/notmuch/default.nix
index c39654d1c29c..ddffe0747062 100644
--- a/pkgs/applications/networking/mailreaders/notmuch/default.nix
+++ b/pkgs/applications/networking/mailreaders/notmuch/default.nix
@@ -12,7 +12,7 @@
 with lib;
 
 stdenv.mkDerivation rec {
-  version = "0.31";
+  version = "0.31.3";
   pname = "notmuch";
 
   passthru = {
@@ -22,7 +22,7 @@ stdenv.mkDerivation rec {
 
   src = fetchgit {
     url = "https://git.notmuchmail.org/git/notmuch";
-    sha256 = "0f9d9k9avb46yh2r8fvijvw7bryqwckvyzc68f9phax2g4c99x4x";
+    sha256 = "1wm1myzacz1dcg7vdfd3akia3xan7ssfspf1fflrwm18hdalss5v";
     rev = version;
   };