diff --git a/pkgs/development/python-modules/openapi-core/default.nix b/pkgs/development/python-modules/openapi-core/default.nix
new file mode 100644
index 000000000000..e41f7fd58099
--- /dev/null
+++ b/pkgs/development/python-modules/openapi-core/default.nix
@@ -0,0 +1,81 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, isodate
+, dictpath
+, openapi-spec-validator
+, openapi-schema-validator
+, six
+, lazy-object-proxy
+, attrs
+, werkzeug
+, parse
+, more-itertools
+, pytestCheckHook
+, falcon
+, flask
+, django
+, djangorestframework
+, responses
+}:
+
+buildPythonPackage rec {
+  pname = "openapi-core";
+  version = "0.14.2";
+
+  src = fetchFromGitHub {
+    owner = "p1c2u";
+    repo = "openapi-core";
+    rev = version;
+    sha256 = "1npsibyf8zx6z230yl19kyap8g25kqvgm7z1w6rm6jxv58yqsp7r";
+  };
+
+  postPatch = ''
+    sed -i "/^addopts/d" setup.cfg
+  '';
+
+  propagatedBuildInputs = [
+    isodate
+    dictpath
+    openapi-spec-validator
+    openapi-schema-validator
+    six
+    lazy-object-proxy
+    attrs
+    werkzeug
+    parse
+    more-itertools
+  ];
+
+  checkInputs = [
+    pytestCheckHook
+    falcon
+    flask
+    django
+    djangorestframework
+    responses
+  ];
+
+  disabledTestPaths = [
+    # AttributeError: 'str' object has no attribute '__name__'
+    "tests/integration/validation"
+  ];
+
+  disabledTests = [
+    # TypeError: Unexpected keyword arguments passed to pytest.raises: message
+    "test_string_format_invalid_value"
+  ];
+
+  pythonImportsCheck = [
+    "openapi_core"
+    "openapi_core.validation.request.validators"
+    "openapi_core.validation.response.validators"
+  ];
+
+  meta = with lib; {
+    description = "Client-side and server-side support for the OpenAPI Specification v3";
+    homepage = "https://github.com/p1c2u/openapi-core";
+    license = licenses.bsd3;
+    maintainers = with maintainers; [ dotlambda ];
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index c3083f52d65f..86ac6b5027fd 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -5204,6 +5204,8 @@ in {
 
   phonenumbers = callPackage ../development/python-modules/phonenumbers { };
 
+  openapi-core = callPackage ../development/python-modules/openapi-core { };
+
   pdunehd = callPackage ../development/python-modules/pdunehd { };
 
   phonopy = callPackage ../development/python-modules/phonopy { };