diff --git a/pkgs/development/python-modules/looseversion/default.nix b/pkgs/development/python-modules/looseversion/default.nix
new file mode 100644
index 000000000000..5a71caf8c666
--- /dev/null
+++ b/pkgs/development/python-modules/looseversion/default.nix
@@ -0,0 +1,29 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, pytestCheckHook
+}:
+
+buildPythonPackage rec {
+  pname = "looseversion";
+  version = "1.0.3";
+  format = "flit";
+
+  src = fetchPypi {
+    inherit version pname;
+    sha256 = "sha256-A1KIhg4a/mfWPqnHAN2dCVxyTi5XIqOQKd2RZS1DFu0";
+  };
+
+  nativeCheckInputs = [
+    pytestCheckHook
+  ];
+  pytestFlagsArray = [ "tests.py" ];
+  pythonImportsCheck = [ "looseversion" ];
+
+  meta = with lib; {
+    description = "Version numbering for anarchists and software realists";
+    homepage = "https://github.com/effigies/looseversion";
+    license = licenses.psfl;
+    maintainers = with maintainers; [ pelme ];
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 34f90f83cc81..5d124af9813b 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -5742,6 +5742,8 @@ self: super: with self; {
 
   loopy = callPackage ../development/python-modules/loopy { };
 
+  looseversion = callPackage ../development/python-modules/looseversion { };
+
   losant-rest = callPackage ../development/python-modules/losant-rest { };
 
   lrcalc-python = callPackage ../development/python-modules/lrcalc-python { };