diff --git a/pkgs/development/python-modules/mkdocs-linkcheck/default.nix b/pkgs/development/python-modules/mkdocs-linkcheck/default.nix
new file mode 100644
index 000000000000..540640e14beb
--- /dev/null
+++ b/pkgs/development/python-modules/mkdocs-linkcheck/default.nix
@@ -0,0 +1,38 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, pythonOlder
+, pythonPackages
+}:
+
+buildPythonPackage rec {
+  pname = "mkdocs-linkcheck";
+  version = "unstable-2021-08-24";
+
+  disabled = pythonOlder "3.7";
+
+  src = fetchFromGitHub {
+    owner = "byrnereese";
+    repo = "linkchecker-mkdocs";
+    rev = "a75d765b0ec564e5ed0218880ed0b5ab4b973917" ;
+    hash = "sha256-z59F7zUKZKIQSiTlE6wGbGDecPMeruNgltWUYfDf8jY=";
+  };
+
+  propagatedBuildInputs = with pythonPackages; [
+    aiohttp
+    requests
+  ];
+
+  pythonImportsCheck = [ "mkdocs_linkcheck" ];
+
+  meta = with lib; {
+    description = "Validate links in Markdown files for static site generators like MkDocs, Hugo or Jekyll";
+    longDescription = ''
+      This is not a MkDocs plugin, but a companion tool that is useful to validate links in Markdown files for
+      static site generators like MkDocs, Hugo or Jekyll. It can be used with any text files containing links.
+    '';
+    homepage = "https://github.com/byrnereese/mkdocs-linkcheck";
+    license = licenses.mit;
+    maintainers = with maintainers; [ totoroot ];
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 3fcb689e1474..f4f8f432e1ba 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -6494,6 +6494,7 @@ self: super: with self; {
   mkdocs-exclude = callPackage ../development/python-modules/mkdocs-exclude { };
   mkdocs-jupyter = callPackage ../development/python-modules/mkdocs-jupyter { };
   mkdocs-gitlab = callPackage ../development/python-modules/mkdocs-gitlab-plugin { };
+  mkdocs-linkcheck = callPackage ../development/python-modules/mkdocs-linkcheck { };
   mkdocs-macros = callPackage ../development/python-modules/mkdocs-macros { };
   mkdocs-material = callPackage ../development/python-modules/mkdocs-material { };
   mkdocs-material-extensions = callPackage ../development/python-modules/mkdocs-material/mkdocs-material-extensions.nix { };