diff --git a/pkgs/applications/networking/lieer/default.nix b/pkgs/applications/networking/lieer/default.nix
index 51fc9c8e898c..26ecf043a4d5 100644
--- a/pkgs/applications/networking/lieer/default.nix
+++ b/pkgs/applications/networking/lieer/default.nix
@@ -1,18 +1,22 @@
-{ lib, fetchFromGitHub, python3Packages }:
+{ lib
+, fetchFromGitHub
+, python3Packages
+}:
 
 python3Packages.buildPythonApplication rec {
   pname = "lieer";
-  version = "1.3";
+  version = "1.4";
+  format = "setuptools";
 
   src = fetchFromGitHub {
     owner = "gauteh";
     repo = "lieer";
-    rev = "v${version}";
-    sha256 = "12sl7d381l1gjaam419xc8gxmsprxf0hgksz1f974qmmijvr02bh";
+    rev = "refs/tags/v${version}";
+    sha256 = "sha256-2LujfvsxMHHmYjYOnLJaLdSlzDeej+ehUr4YfVe903U=";
   };
 
   propagatedBuildInputs = with python3Packages; [
-    notmuch
+    notmuch2
     oauth2client
     google-api-python-client
     tqdm
@@ -21,7 +25,10 @@ python3Packages.buildPythonApplication rec {
 
   # no tests
   doCheck = false;
-  pythonImportsCheck = [ "lieer" ];
+
+  pythonImportsCheck = [
+    "lieer"
+  ];
 
   meta = with lib; {
     description = "Fast email-fetching and two-way tag synchronization between notmuch and GMail";