diff --git a/pkgs/development/python-modules/gotailwind/default.nix b/pkgs/development/python-modules/gotailwind/default.nix
index 72fd107555ca..b3a70580266a 100644
--- a/pkgs/development/python-modules/gotailwind/default.nix
+++ b/pkgs/development/python-modules/gotailwind/default.nix
@@ -10,6 +10,7 @@
   orjson,
   poetry-core,
   pytest-asyncio,
+  pytest-cov-stub,
   pytestCheckHook,
   pythonOlder,
   syrupy,
@@ -35,8 +36,7 @@ buildPythonPackage rec {
   postPatch = ''
     # Upstream doesn't set a version for the pyproject.toml
     substituteInPlace pyproject.toml \
-      --replace-fail "0.0.0" "${version}" \
-      --replace-fail "--cov" ""
+      --replace-fail "0.0.0" "${version}"
   '';
 
   build-system = [ poetry-core ];
@@ -58,6 +58,7 @@ buildPythonPackage rec {
   nativeCheckInputs = [
     aresponses
     pytest-asyncio
+    pytest-cov-stub
     pytestCheckHook
     syrupy
   ];