diff --git a/pkgs/development/python-modules/pytest-markdown-docs/default.nix b/pkgs/development/python-modules/pytest-markdown-docs/default.nix
new file mode 100644
index 000000000000..46dcd7d94043
--- /dev/null
+++ b/pkgs/development/python-modules/pytest-markdown-docs/default.nix
@@ -0,0 +1,48 @@
+{ lib
+, buildPythonPackage
+, pythonOlder
+, fetchFromGitHub
+, poetry-core
+, markdown-it-py
+, pytest
+, pytestCheckHook
+}:
+
+buildPythonPackage rec {
+  pname = "pytest-markdown-docs";
+  version = "0.5.1";
+  pyproject = true;
+
+  disabled = pythonOlder "3.8";
+
+  src = fetchFromGitHub {
+    owner = "modal-com";
+    repo = "pytest-markdown-docs";
+    rev = "refs/tags/v${version}";
+    hash = "sha256-mclN28tfPcoFxswECjbrkeOI51XXSqUXfbvuSHrd7Sw=";
+  };
+
+  build-system = [
+    poetry-core
+  ];
+
+  dependencies = [
+    markdown-it-py
+    pytest
+  ];
+
+  pythonImportsCheck = [
+    "pytest_markdown_docs"
+  ];
+
+  nativeCheckInputs = [
+    pytestCheckHook
+  ];
+
+  meta = with lib; {
+    description = "Run pytest on markdown code fence blocks";
+    homepage = "https://github.com/modal-com/pytest-markdown-docs";
+    license = licenses.mit;
+    maintainers = with maintainers; [ GaetanLepage ];
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index e5e1dba98772..7d3e60e6b273 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -12120,6 +12120,8 @@ self: super: with self; {
 
   pytest-logdog = callPackage ../development/python-modules/pytest-logdog { };
 
+  pytest-markdown-docs = callPackage ../development/python-modules/pytest-markdown-docs { };
+
   pytest-md-report = callPackage ../development/python-modules/pytest-md-report { };
 
   pytest-metadata = callPackage ../development/python-modules/pytest-metadata { };