diff --git a/pkgs/development/python-modules/pep8-naming/default.nix b/pkgs/development/python-modules/pep8-naming/default.nix
index 213436d6a9536..9ab07cfd76783 100644
--- a/pkgs/development/python-modules/pep8-naming/default.nix
+++ b/pkgs/development/python-modules/pep8-naming/default.nix
@@ -9,7 +9,7 @@
 
 buildPythonPackage rec {
   pname = "pep8-naming";
-  version = "0.13.3";
+  version = "0.14.1";
   format = "setuptools";
 
   disabled = pythonOlder "3.7";
@@ -17,8 +17,8 @@ buildPythonPackage rec {
   src = fetchFromGitHub {
     owner = "PyCQA";
     repo = pname;
-    rev = version;
-    hash = "sha256-l7zZUOMWyTxnTbkFkzfABY/eVMKnv0kNJ0UPzJo0W1Y=";
+    rev = "refs/tags/${version}";
+    hash = "sha256-uIVk8+5rVEIBZLz70WUi0O6/Q9ERptJ3b7314gLPeHk=";
   };
 
   propagatedBuildInputs = [ flake8 ];