diff --git a/pkgs/development/python-modules/asn1/default.nix b/pkgs/development/python-modules/asn1/default.nix
index 7e1b8834cd0e..0d950092f938 100644
--- a/pkgs/development/python-modules/asn1/default.nix
+++ b/pkgs/development/python-modules/asn1/default.nix
@@ -8,15 +8,16 @@
 
 buildPythonPackage rec {
   pname = "asn1";
-  version = "2.6.0";
+  version = "2.7.0";
+  format = "setuptools";
 
   disabled = pythonOlder "3.7";
 
   src = fetchFromGitHub {
     owner = "andrivet";
     repo = "python-asn1";
-    rev = "v${version}";
-    sha256 = "sha256-oz9xZhFU4himXttVtfW6tTn7lfB0c7MlgxtbKxdJtUA=";
+    rev = "refs/tags/v${version}";
+    hash = "sha256-pXLG2Mkrv6EeJn6Dk+SefzNtrPdQ6of95LbVTKjTADQ=";
   };
 
   propagatedBuildInputs = [
@@ -32,13 +33,18 @@ buildPythonPackage rec {
       --replace "enum-compat" ""
   '';
 
-  pytestFlagsArray = [ "tests/test_asn1.py" ];
+  pytestFlagsArray = [
+    "tests/test_asn1.py"
+  ];
 
-  pythonImportsCheck = [ "asn1" ];
+  pythonImportsCheck = [
+    "asn1"
+  ];
 
   meta = with lib; {
     description = "Python ASN.1 encoder and decoder";
     homepage = "https://github.com/andrivet/python-asn1";
+    changelog = "https://github.com/andrivet/python-asn1/blob/v${version}/CHANGELOG.rst";
     license = licenses.mit;
     maintainers = with maintainers; [ fab ];
   };