diff --git a/pkgs/development/python-modules/setuptools-declarative-requirements/default.nix b/pkgs/development/python-modules/setuptools-declarative-requirements/default.nix
new file mode 100644
index 00000000000..ba6ff1649e6
--- /dev/null
+++ b/pkgs/development/python-modules/setuptools-declarative-requirements/default.nix
@@ -0,0 +1,28 @@
+{ buildPythonPackage, fetchPypi, lib, pypiserver, pytestCheckHook
+, setuptools-scm, virtualenv }:
+
+buildPythonPackage rec {
+  pname = "setuptools-declarative-requirements";
+  version = "1.2.0";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "1l8zmcnp9h8sp8hsw7b81djaa1a9yig0y7i4phh5pihqz1gdn7yi";
+  };
+
+  buildInputs = [ setuptools-scm ];
+
+  checkInputs = [ pypiserver pytestCheckHook virtualenv ];
+
+  # Tests use network
+  doCheck = false;
+
+  pythonImportsCheck = [ "declarative_requirements" ];
+
+  meta = with lib; {
+    homepage = "https://github.com/s0undt3ch/setuptools-declarative-requirements";
+    description = "Declarative setuptools Config Requirements Files Support";
+    license = licenses.asl20;
+    maintainers = [ maintainers.austinbutler ];
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 4242d73d1ae..9bc3bc310fa 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -7346,6 +7346,8 @@ in {
 
   setproctitle = callPackage ../development/python-modules/setproctitle { };
 
+  setuptools-declarative-requirements = callPackage ../development/python-modules/setuptools-declarative-requirements { };
+
   setuptools-git = callPackage ../development/python-modules/setuptools-git { };
 
   setuptools-lint = callPackage ../development/python-modules/setuptools-lint { };