diff --git a/pkgs/development/python-modules/trueskill/default.nix b/pkgs/development/python-modules/trueskill/default.nix
new file mode 100644
index 00000000000..2106e4d2e76
--- /dev/null
+++ b/pkgs/development/python-modules/trueskill/default.nix
@@ -0,0 +1,28 @@
+{ stdenv, buildPythonPackage, fetchPypi
+, six }:
+
+buildPythonPackage rec {
+  pname = "trueskill";
+  version = "0.4.5";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "1fv7g1szyjykja9mzax2w4js7jm2z7wwzgnr5dqrsdi84j6v8qlx";
+  };
+
+  propagatedBuildInputs = [
+    six
+  ];
+
+  # Can't build distribute, see https://github.com/NixOS/nixpkgs/pull/49340
+  doCheck = false;
+
+  meta = with stdenv.lib; {
+    description = "The video game rating system";
+    homepage = https://trueskill.org;
+    license = licenses.bsd3;
+    maintainers = with maintainers; [
+      eadwu
+    ];
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 87285f774bf..49bc322d479 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -670,6 +670,8 @@ in {
     hdf5 = pkgs.hdf5.override { zlib = pkgs.zlib; };
   };
 
+  trueskill = callPackage ../development/python-modules/trueskill { };
+
   trustme = callPackage ../development/python-modules/trustme {};
 
   trio = callPackage ../development/python-modules/trio {};