diff --git a/pkgs/development/python-modules/inscriptis/default.nix b/pkgs/development/python-modules/inscriptis/default.nix
index c07234e0ae06..57318a912e09 100644
--- a/pkgs/development/python-modules/inscriptis/default.nix
+++ b/pkgs/development/python-modules/inscriptis/default.nix
@@ -2,11 +2,12 @@
   lib,
   buildPythonPackage,
   fetchFromGitHub,
-  poetry-core,
+  hatchling,
   lxml,
   fastapi,
   httpx,
   pytestCheckHook,
+  pytest-cov-stub,
   requests,
 }:
 
@@ -22,7 +23,7 @@ buildPythonPackage rec {
     hash = "sha256-m1LZiGu79I9fMQXtL1MuzHxUd6KSwuc87Edkt9sp0DE=";
   };
 
-  build-system = [ poetry-core ];
+  build-system = [ hatchling ];
 
   dependencies = [
     lxml
@@ -33,8 +34,11 @@ buildPythonPackage rec {
     fastapi
     httpx
     pytestCheckHook
+    pytest-cov-stub
   ];
 
+  pythonRelaxDeps = [ "lxml" ];
+
   pythonImportsCheck = [ "inscriptis" ];
 
   meta = {