diff --git a/pkgs/development/python-modules/swh-perfecthash/default.nix b/pkgs/development/python-modules/swh-perfecthash/default.nix
new file mode 100644
index 000000000000..821b1c6bf255
--- /dev/null
+++ b/pkgs/development/python-modules/swh-perfecthash/default.nix
@@ -0,0 +1,62 @@
+{
+  lib,
+  buildPythonPackage,
+  fetchFromGitLab,
+  setuptools,
+  setuptools-scm,
+  cffi,
+  pytestCheckHook,
+  pytest-mock,
+  pkgs, # only for cmph
+}:
+
+buildPythonPackage rec {
+  pname = "swh-perfecthash";
+  version = "1.3.2";
+  pyproject = true;
+
+  src = fetchFromGitLab {
+    domain = "gitlab.softwareheritage.org";
+    group = "swh";
+    owner = "devel";
+    repo = "swh-perfecthash";
+    tag = "v${version}";
+    hash = "sha256-cG0h0lfSSooA7Mzrlsi5yIcbkbxQZ7mI5NtiB7D5Crs=";
+  };
+
+  build-system = [
+    setuptools
+    setuptools-scm
+  ];
+
+  dependencies = [
+    cffi
+    pkgs.cmph
+  ];
+
+  # The installed library clashes with the `swh` directory remaining in the source path.
+  # Usually, we get around this by `rm -rf` the python source files to ensure that the installed package is used.
+  # Here, we cannot do that as it would also remove the tests which are also in the `swh` directory.
+  preCheck = ''
+    rm -rf swh/perfecthash/*.py
+  '';
+
+  pythonImportsCheck = [ "swh.perfecthash" ];
+
+  nativeCheckInputs = [
+    pytestCheckHook
+    pytest-mock
+  ];
+
+  disabledTests = [
+    # Flake tests
+    "test_build_speed"
+  ];
+
+  meta = {
+    description = "Perfect hash table for software heritage object storage";
+    homepage = "https://gitlab.softwareheritage.org/swh/devel/swh-perfecthash";
+    license = lib.licenses.gpl3Only;
+    maintainers = with lib.maintainers; [ drupol ];
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index edf440be213a..029d037dce48 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -16661,6 +16661,8 @@ self: super: with self; {
 
   swh-model = callPackage ../development/python-modules/swh-model { };
 
+  swh-perfecthash = callPackage ../development/python-modules/swh-perfecthash { };
+
   swh-scanner = callPackage ../development/python-modules/swh-scanner { };
 
   swh-web-client = callPackage ../development/python-modules/swh-web-client { };