diff --git a/pkgs/development/python-modules/whitenoise/default.nix b/pkgs/development/python-modules/whitenoise/default.nix
index 2e8b496ce514..eb7145814487 100644
--- a/pkgs/development/python-modules/whitenoise/default.nix
+++ b/pkgs/development/python-modules/whitenoise/default.nix
@@ -9,7 +9,7 @@
   setuptools,
 }:
 
-buildPythonPackage rec {
+buildPythonPackage (finalAttrs: {
   pname = "whitenoise";
   version = "6.12.0";
   pyproject = true;
@@ -17,7 +17,7 @@ buildPythonPackage rec {
   src = fetchFromGitHub {
     owner = "evansd";
     repo = "whitenoise";
-    tag = version;
+    tag = finalAttrs.version;
     hash = "sha256-qNya/3oI9413VUGaLPq4vtuLvq9mIGhaYBt+4OhrkOw=";
   };
 
@@ -25,13 +25,14 @@ buildPythonPackage rec {
 
   build-system = [ setuptools ];
 
-  dependencies = [ brotli ];
+  optional-dependencies.brotli = [ brotli ];
 
   nativeCheckInputs = [
     django
     pytestCheckHook
     requests
-  ];
+  ]
+  ++ finalAttrs.passthru.optional-dependencies.brotli;
 
   disabledTests = [
     # Test fails with AssertionError
@@ -43,8 +44,8 @@ buildPythonPackage rec {
   meta = {
     description = "Library to serve static file for WSGI applications";
     homepage = "https://whitenoise.readthedocs.io/";
-    changelog = "https://github.com/evansd/whitenoise/blob/${version}/docs/changelog.rst";
+    changelog = "https://github.com/evansd/whitenoise/blob/${finalAttrs.src.tag}/docs/changelog.rst";
     license = lib.licenses.mit;
     maintainers = [ ];
   };
-}
+})