diff --git a/pkgs/development/python-modules/prance/default.nix b/pkgs/development/python-modules/prance/default.nix
index 0f18a6ad2072..105fa9e180b7 100644
--- a/pkgs/development/python-modules/prance/default.nix
+++ b/pkgs/development/python-modules/prance/default.nix
@@ -1,51 +1,43 @@
 { lib
 , buildPythonPackage
-, fetchPypi
+, fetchFromGitHub
 , chardet
-, pyyaml
 , requests
+, ruamel_yaml
 , six
 , semver
 , pytestCheckHook
-, pytest-cov
-, pytest-runner
 , openapi-spec-validator
 }:
 
 buildPythonPackage rec {
   pname = "prance";
-  version = "0.21.2";
+  version = "0.21.8.0";
 
-  src = fetchPypi {
-    inherit pname version;
-    sha256 = "43ebe3a5b38f0c65c428427004c4d8ce8d7155ddad50610276c89c192680f138";
+  src = fetchFromGitHub {
+    owner = "RonnyPfannschmidt";
+    repo = pname;
+    rev = "v${version}";
+    fetchSubmodules = true;
+    sha256 = "sha256-kGANMHfWwhW3ZBw2ZVCJZR/bV2EPhcydMKhDeDTVwcQ=";
   };
 
-  buildInputs = [
-    pytest-runner
-  ];
-
   propagatedBuildInputs = [
     chardet
-    pyyaml
     requests
+    ruamel_yaml
     six
     semver
   ];
 
   checkInputs = [
     pytestCheckHook
-    pytest-cov
     openapi-spec-validator
   ];
 
   postPatch = ''
-    substituteInPlace setup.py \
-      --replace "tests_require = dev_require," "tests_require = None," \
-      --replace "chardet~=4.0" "" \
-      --replace "semver~=2.13" ""
     substituteInPlace setup.cfg \
-      --replace "--cov-fail-under=90" ""
+      --replace "--cov=prance --cov-report=term-missing --cov-fail-under=90" ""
   '';
 
   # Disable tests that require network