diff --git a/pkgs/development/python-modules/sphinx-prompt/default.nix b/pkgs/development/python-modules/sphinx-prompt/default.nix
index 40bcd6d0603a..46c13eadfca1 100644
--- a/pkgs/development/python-modules/sphinx-prompt/default.nix
+++ b/pkgs/development/python-modules/sphinx-prompt/default.nix
@@ -28,6 +28,10 @@ buildPythonPackage rec {
     hash = "sha256-JKCTn2YkdyGLvchMT9C61PxjYxuQFzt3SjCE9JvgtVc=";
   };
 
+  postPatch = ''
+    substituteInPlace pyproject.toml --replace-fail 'version = "0.0.0"' 'version = "${version}"'
+  '';
+
   build-system = [
     poetry-core
     poetry-dynamic-versioning
@@ -39,9 +43,15 @@ buildPythonPackage rec {
     sphinx
   ];
 
-  nativeCheckInputs = [ pytestCheckHook ];
+  # upstream pins these unnecessarily in their requirements.txt
+  pythonRelaxDeps = [
+    "certifi"
+    "requests"
+    "urllib3"
+    "zipp"
+  ];
 
-  pythonRelaxDeps = [ "requests" ];
+  nativeCheckInputs = [ pytestCheckHook ];
 
   meta = with lib; {
     description = "Sphinx extension for creating unselectable prompt";