diff --git a/pkgs/development/python-modules/python-debian/default.nix b/pkgs/development/python-modules/python-debian/default.nix
index 40a7f925dda3..c359e4631dfa 100644
--- a/pkgs/development/python-modules/python-debian/default.nix
+++ b/pkgs/development/python-modules/python-debian/default.nix
@@ -9,17 +9,17 @@
   pytestCheckHook,
 }:
 
-buildPythonPackage rec {
+buildPythonPackage (finalAttrs: {
   pname = "python-debian";
-  version = "1.0.1";
+  version = "1.1.0";
   pyproject = true;
 
   src = fetchFromGitLab {
     domain = "salsa.debian.org";
     owner = "python-debian-team";
     repo = "python-debian";
-    tag = version;
-    hash = "sha256-lSKtlBqAa8cJZZHMVb90eYIGem4DwVZLldaYSAJBNek=";
+    tag = finalAttrs.version;
+    hash = "sha256-v2b9xobxCrSz0tOEBo6awmQuTyykyJlsryPBMRU9EmM=";
   };
 
   build-system = [
@@ -48,4 +48,4 @@ buildPythonPackage rec {
     license = lib.licenses.gpl2Plus;
     maintainers = with lib.maintainers; [ nickcao ];
   };
-}
+})