diff --git a/pkgs/development/python-modules/pycodec2/default.nix b/pkgs/development/python-modules/pycodec2/default.nix
new file mode 100644
index 000000000000..f226fa0725f7
--- /dev/null
+++ b/pkgs/development/python-modules/pycodec2/default.nix
@@ -0,0 +1,68 @@
+{
+  lib,
+  buildPythonPackage,
+  fetchFromGitHub,
+
+  # build-system
+  cython,
+  numpy,
+  setuptools,
+
+  # buildInputs
+  codec2,
+
+  pytestCheckHook,
+}:
+
+buildPythonPackage (finalAttrs: {
+  pname = "pycodec2";
+  version = "4.1.1";
+  pyproject = true;
+  __structuredAttrs = true;
+
+  src = fetchFromGitHub {
+    owner = "gregorias";
+    repo = "pycodec2";
+    tag = "v${finalAttrs.version}";
+    hash = "sha256-DDO18uhAhZGaD04rAPinZhkNTww3ibEhw1uJwTtJYWk=";
+  };
+
+  postPatch = ''
+    substituteInPlace pyproject.toml \
+      --replace-fail "numpy==2.1.*" "numpy"
+  '';
+
+  build-system = [
+    cython
+    numpy
+    setuptools
+  ];
+
+  buildInputs = [
+    codec2
+  ];
+
+  dependencies = [
+    numpy
+  ];
+
+  pythonImportsCheck = [ "pycodec2" ];
+
+  nativeCheckInputs = [
+    pytestCheckHook
+  ];
+
+  preCheck = ''
+    rm -rf pycodec2
+  '';
+
+  # The only test fails with a cryptic AssertionError
+  doCheck = false;
+
+  meta = {
+    description = "Python's interface to codec 2";
+    homepage = "https://github.com/gregorias/pycodec2";
+    license = lib.licenses.bsd3;
+    maintainers = with lib.maintainers; [ drupol ];
+  };
+})
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index f4ff36be4137..ec2e4389352c 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -13703,6 +13703,8 @@ self: super: with self; {
 
   pycocotools = callPackage ../development/python-modules/pycocotools { };
 
+  pycodec2 = callPackage ../development/python-modules/pycodec2 { };
+
   pycodestyle = callPackage ../development/python-modules/pycodestyle { };
 
   pycognito = callPackage ../development/python-modules/pycognito { };