diff --git a/pkgs/development/python-modules/pylzss/default.nix b/pkgs/development/python-modules/pylzss/default.nix
new file mode 100644
index 000000000000..19d9f14f21c4
--- /dev/null
+++ b/pkgs/development/python-modules/pylzss/default.nix
@@ -0,0 +1,34 @@
+{
+  lib,
+  buildPythonPackage,
+  fetchFromGitHub,
+  setuptools,
+}:
+
+buildPythonPackage rec {
+  pname = "pylzss";
+  version = "0.3.8";
+  pyproject = true;
+
+  src = fetchFromGitHub {
+    owner = "m1stadev";
+    repo = "pylzss";
+    tag = "v${version}";
+    hash = "sha256-Y0u9rFJWYWyJUVEgpLtQHsXu0JpTgRKxFJHB+B3EFyU=";
+  };
+
+  build-system = [ setuptools ];
+
+  pythonImportsCheck = [ "lzss" ];
+
+  # upstream's test.py is dysfunctional
+  doCheck = false;
+
+  meta = {
+    changelog = "https://github.com/m1stadev/pylzss/releases/tag/${src.tag}";
+    description = "Python library for decoding/encoding LZSS-compressed data";
+    homepage = "https://github.com/m1stadev/pylzss";
+    license = lib.licenses.gpl3Only;
+    maintainers = [ lib.maintainers.dotlambda ];
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 71c3607f35f4..810b7ed7b5ed 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -13475,6 +13475,8 @@ self: super: with self; {
 
   pylzma = callPackage ../development/python-modules/pylzma { };
 
+  pylzss = callPackage ../development/python-modules/pylzss { };
+
   pym3u8downloader = callPackage ../development/python-modules/pym3u8downloader { };
 
   pymacaroons = callPackage ../development/python-modules/pymacaroons { };