diff --git a/contrib/package/nix/partftpy/default.nix b/contrib/package/nix/partftpy/default.nix
new file mode 100644
index 00000000..4bc1a79b
--- /dev/null
+++ b/contrib/package/nix/partftpy/default.nix
@@ -0,0 +1,28 @@
+{
+  lib,
+  buildPythonPackage,
+  fetchurl,
+  setuptools,
+}:
+
+buildPythonPackage rec {
+  pname = "partftpy";
+  version = "0.4.0";
+  pyproject = true;
+
+  src = fetchurl {
+    url = "https://github.com/9001/partftpy/releases/download/v0.4.0/partftpy-0.4.0.tar.gz";
+    hash = "sha256-5Q2zyuJ892PGZmb+YXg0ZPW/DK8RDL1uE0j5HPd4We0=";
+  };
+
+  build-system = [ setuptools ];
+
+  pythonImportsCheck = [ "partftpy.TftpServer" ];
+
+  meta = {
+    description = "Pure Python TFTP library  (copyparty edition)";
+    homepage = "https://github.com/9001/partftpy";
+    changelog = "https://github.com/9001/partftpy/releases/tag/${version}";
+    license = lib.licenses.mit;
+  };
+}
diff --git a/flake.nix b/flake.nix
index 403a7f15..c5181bfe 100644
--- a/flake.nix
+++ b/flake.nix
@@ -18,16 +18,7 @@
         };
         python3 = prev.python3.override {
           packageOverrides = pyFinal: pyPrev: {
-            partftpy = pyFinal.tftpy.overrideAttrs {
-              pname = "partftpy";
-              version = "0.4.0";
-              src = final.fetchurl {
-                url = "https://github.com/9001/partftpy/releases/download/v0.4.0/partftpy-0.4.0.tar.gz";
-                hash = "sha256-5Q2zyuJ892PGZmb+YXg0ZPW/DK8RDL1uE0j5HPd4We0=";
-              };
-              pyproject = true;
-              pythonImportsCheck = [ "partftpy.TftpServer" ];
-            };
+            partftpy = pyFinal.callPackage ./contrib/package/nix/partftpy { };
           };
         };
       };