diff --git a/pkgs/development/python-modules/spdx-tools/default.nix b/pkgs/development/python-modules/spdx-tools/default.nix
new file mode 100644
index 000000000000..53d6d51d2d28
--- /dev/null
+++ b/pkgs/development/python-modules/spdx-tools/default.nix
@@ -0,0 +1,54 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, fetchpatch
+, six
+, pyyaml
+, rdflib
+, ply
+, xmltodict
+, pytestCheckHook
+, pythonAtLeast
+}:
+buildPythonPackage rec {
+  pname = "spdx-tools";
+  version = "0.6.1";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "9a1aaae051771e865705dd2fd374c3f73d0ad595c1056548466997551cbd7a81";
+  };
+
+  patches = lib.optionals (pythonAtLeast "3.9") [
+    # https://github.com/spdx/tools-python/pull/159
+    # fixes tests on Python 3.9
+    (fetchpatch {
+      name = "drop-encoding-argument.patch";
+      url = "https://github.com/spdx/tools-python/commit/6c8b9a852f8a787122c0e2492126ee8aa52acff0.patch";
+      sha256 = "RhvLhexsQRjqYqJg10SAM53RsOW+R93G+mns8C9g5E8=";
+    })
+  ];
+
+  propagatedBuildInputs = [
+    six
+    pyyaml
+    rdflib
+    ply
+    xmltodict
+  ];
+
+  checkInputs = [
+    pytestCheckHook
+  ];
+
+  pythonImportsCheck = [
+    "spdx"
+  ];
+
+  meta = with lib; {
+    description = "SPDX parser and tools";
+    homepage = "https://github.com/spdx/tools-python";
+    license = licenses.asl20;
+    maintainers = teams.determinatesystems.members;
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index f44d0035ce8b..4d59c3618fac 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -8054,6 +8054,8 @@ in {
 
   sparse = callPackage ../development/python-modules/sparse { };
 
+  spdx-tools = callPackage ../development/python-modules/spdx-tools { };
+
   speaklater = callPackage ../development/python-modules/speaklater { };
 
   spectral-cube = callPackage ../development/python-modules/spectral-cube { };