diff --git a/pkgs/development/python-modules/django-q2/default.nix b/pkgs/development/python-modules/django-q2/default.nix
index b878b464cc80..e5ebe7e58eda 100644
--- a/pkgs/development/python-modules/django-q2/default.nix
+++ b/pkgs/development/python-modules/django-q2/default.nix
@@ -19,21 +19,16 @@
 
 buildPythonPackage rec {
   pname = "django-q2";
-  version = "1.8.0";
+  version = "1.9.0";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "django-q2";
     repo = "django-q2";
     tag = "v${version}";
-    hash = "sha256-SmTiplQzmMiK6xBs1TDikHE1ChI2twqemaP/ID6kvc4=";
+    hash = "sha256-xqRm9vv/lD9HLX+ekdPgIGGwr5H7QZBATPx0CCjQAmw=";
   };
 
-  postPatch = ''
-    substituteInPlace django_q/tests/settings.py \
-      --replace-fail "HiredisParser" "_HiredisParser"
-  '';
-
   build-system = [
     poetry-core
   ];
@@ -88,7 +83,7 @@ buildPythonPackage rec {
   meta = {
     description = "Multiprocessing distributed task queue for Django based on Django-Q";
     homepage = "https://github.com/django-q2/django-q2";
-    changelog = "https://github.com/django-q2/django-q2/releases/tag/v${version}";
+    changelog = "https://github.com/django-q2/django-q2/releases/tag/${src.tag}";
     license = lib.licenses.mit;
     maintainers = with lib.maintainers; [ SuperSandro2000 ];
   };