diff --git a/pkgs/development/python-modules/mdformat-gfm-alerts/default.nix b/pkgs/development/python-modules/mdformat-gfm-alerts/default.nix
new file mode 100644
index 000000000000..097e2b912cf8
--- /dev/null
+++ b/pkgs/development/python-modules/mdformat-gfm-alerts/default.nix
@@ -0,0 +1,41 @@
+{
+  lib,
+  buildPythonPackage,
+  fetchFromGitHub,
+  flit-core,
+  mdformat,
+  mdit-py-plugins,
+  pytestCheckHook,
+}:
+
+buildPythonPackage rec {
+  pname = "mdformat-gfm-alerts";
+  version = "1.0.1";
+  pyproject = true;
+
+  src = fetchFromGitHub {
+    owner = "KyleKing";
+    repo = "mdformat-gfm-alerts";
+    rev = "refs/tags/v${version}";
+    hash = "sha256-2EYdNCyS1LxcEnCXkOugAAGx5XLWV4cWTNkXjR8RVQo=";
+  };
+
+  build-system = [ flit-core ];
+
+  dependencies = [
+    mdformat
+    mdit-py-plugins
+  ];
+
+  nativeCheckInputs = [ pytestCheckHook ];
+
+  pythonImportsCheck = [ "mdformat_gfm_alerts" ];
+
+  meta = {
+    description = "Format 'GitHub Markdown Alerts', which use blockquotes to render admonitions";
+    homepage = "https://github.com/KyleKing/mdformat-gfm-alerts";
+    changelog = "https://github.com/KyleKing/mdformat-gfm-alerts/releases/tag/v${version}";
+    license = lib.licenses.mit;
+    maintainers = with lib.maintainers; [ sigmanificient ];
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 8b04a50af638..8eba85145aa3 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -7643,6 +7643,7 @@ self: super: with self; {
   mdformat-footnote = callPackage ../development/python-modules/mdformat-footnote { };
   mdformat-frontmatter = callPackage ../development/python-modules/mdformat-frontmatter { };
   mdformat-gfm = callPackage ../development/python-modules/mdformat-gfm { };
+  mdformat-gfm-alerts = callPackage ../development/python-modules/mdformat-gfm-alerts { };
   mdformat-mkdocs = callPackage ../development/python-modules/mdformat-mkdocs { };
   mdformat-nix-alejandra = callPackage ../development/python-modules/mdformat-nix-alejandra { };
   mdformat-simple-breaks = callPackage ../development/python-modules/mdformat-simple-breaks { };