diff --git a/pkgs/applications/networking/mailreaders/notmuch-addrlookup/default.nix b/pkgs/applications/networking/mailreaders/notmuch-addrlookup/default.nix
index 64ebb78a12d0..3ba78c743928 100644
--- a/pkgs/applications/networking/mailreaders/notmuch-addrlookup/default.nix
+++ b/pkgs/applications/networking/mailreaders/notmuch-addrlookup/default.nix
@@ -1,7 +1,7 @@
 { lib, stdenv, fetchFromGitHub, pkg-config, glib, notmuch }:
 
 let
-  version = "9";
+  version = "10";
 in
 stdenv.mkDerivation {
   pname = "notmuch-addrlookup";
@@ -11,7 +11,7 @@ stdenv.mkDerivation {
     owner = "aperezdc";
     repo = "notmuch-addrlookup-c";
     rev ="v${version}";
-    sha256 = "1j3zdx161i1x4w0nic14ix5i8hd501rb31daf8api0k8855sx4rc";
+    sha256 = "sha256-Z59MAptJw95azdK0auOuUyxBrX4PtXwnRNPkhjgI6Ro=";
   };
 
   nativeBuildInputs = [ pkg-config ];