diff --git a/pkgs/development/python-modules/qdldl/default.nix b/pkgs/development/python-modules/qdldl/default.nix
new file mode 100644
index 000000000000..d8e043d546da
--- /dev/null
+++ b/pkgs/development/python-modules/qdldl/default.nix
@@ -0,0 +1,40 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, cmake
+, pybind11
+, numpy
+, scipy
+, pytestCheckHook
+}:
+
+buildPythonPackage rec {
+  pname = "qdldl";
+  version = "0.1.5.post0";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "c392c7427651d8b226423c7aba4a0f2338a1f38a4bbdabac6bc4afd8bc934f06";
+  };
+
+  dontUseCmakeConfigure = true;
+  nativeBuildInputs = [ cmake ];
+
+  buildInputs = [ pybind11 ];
+
+  propagatedBuildInputs = [
+    numpy
+    scipy
+  ];
+
+  pythonImportsCheck = [ "qdldl" ];
+  checkInputs = [ pytestCheckHook ];
+
+  meta = with lib; {
+    description = "A free LDL factorization routine";
+    homepage = "https://github.com/oxfordcontrol/qdldl";
+    downloadPage = "https://github.com/oxfordcontrol/qdldl-python";
+    license = licenses.asl20;
+    maintainers = with maintainers; [ drewrisinger ];
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 97cea2be45fe..1d10f68e5efd 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -6388,6 +6388,8 @@ in {
 
   qdarkstyle = callPackage ../development/python-modules/qdarkstyle { };
 
+  qdldl = callPackage ../development/python-modules/qdldl { };
+
   qds_sdk = callPackage ../development/python-modules/qds_sdk { };
 
   qimage2ndarray = callPackage ../development/python-modules/qimage2ndarray { };