diff --git a/pkgs/development/python-modules/asn1/default.nix b/pkgs/development/python-modules/asn1/default.nix
new file mode 100644
index 000000000000..7a83703f862c
--- /dev/null
+++ b/pkgs/development/python-modules/asn1/default.nix
@@ -0,0 +1,45 @@
+{ lib
+, buildPythonPackage
+, pythonOlder
+, fetchFromGitHub
+, future
+, pytestCheckHook
+}:
+
+buildPythonPackage rec {
+  pname = "asn1";
+  version = "2.4.1";
+
+  disabled = pythonOlder "3.7";
+
+  src = fetchFromGitHub {
+    owner = "andrivet";
+    repo = "python-asn1";
+    rev = "v${version}";
+    sha256 = "0g2d5cr1pxsm5ackba7padf7gvlgrgv807kh0312s5axjd2cww2l";
+  };
+
+  propagatedBuildInputs = [
+    future
+  ];
+
+  checkInputs = [
+    pytestCheckHook
+  ];
+
+  postPatch = ''
+    substituteInPlace setup.py \
+      --replace "enum-compat" ""
+  '';
+
+  pytestFlagsArray = [ "tests/test_asn1.py" ];
+
+  pythonImportsCheck = [ "asn1" ];
+
+  meta = with lib; {
+    description = "Python ASN.1 encoder and decoder";
+    homepage = "https://github.com/andrivet/python-asn1";
+    license = licenses.mit;
+    maintainers = with maintainers; [ fab ];
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 7403b1ba4083..9311abfde349 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -565,6 +565,8 @@ in {
 
   asgiref = callPackage ../development/python-modules/asgiref { };
 
+  asn1 = callPackage ../development/python-modules/asn1 { };
+
   asn1ate = callPackage ../development/python-modules/asn1ate { };
 
   asn1crypto = callPackage ../development/python-modules/asn1crypto { };