diff --git a/pkgs/development/python-modules/mockfs/default.nix b/pkgs/development/python-modules/mockfs/default.nix
new file mode 100644
index 000000000000..234a3d14d696
--- /dev/null
+++ b/pkgs/development/python-modules/mockfs/default.nix
@@ -0,0 +1,47 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, setuptools
+, setuptools-scm
+, wheel
+, pytestCheckHook
+}:
+
+buildPythonPackage rec {
+  pname = "mockfs";
+  version = "1.1.4";
+  format = "pyproject";
+
+  src = fetchFromGitHub {
+    owner = "mockfs";
+    repo = "mockfs";
+    rev = "v${version}";
+    hash = "sha256-JwSkOI0dz9ZetfE0ZL3CthvcCSXGFYX+yQZy/oC6VBk=";
+  };
+
+  postPatch = ''
+    sed -i '/addopts/d' pytest.ini
+  '';
+
+  env.SETUPTOOLS_SCM_PRETEND_VERSION = version;
+
+  nativeBuildInputs = [
+    setuptools
+    setuptools-scm
+    wheel
+  ];
+
+  pythonImportsCheck = [ "mockfs" ];
+
+  nativeCheckInputs = [
+    pytestCheckHook
+  ];
+
+  meta = with lib; {
+    description = "A simple mock filesystem for use in unit tests";
+    homepage = "https://github.com/mockfs/mockfs";
+    changelog = "https://github.com/mockfs/mockfs/blob/${src.rev}/CHANGES.rst";
+    license = licenses.mit;
+    maintainers = with maintainers; [ ];
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 88adc9fe691e..67955c81d236 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -6824,6 +6824,8 @@ self: super: with self; {
 
   mock = callPackage ../development/python-modules/mock { };
 
+  mockfs = callPackage ../development/python-modules/mockfs { };
+
   mockito = callPackage ../development/python-modules/mockito { };
 
   mock-open = callPackage ../development/python-modules/mock-open { };