diff --git a/pkgs/development/python-modules/pubnub/default.nix b/pkgs/development/python-modules/pubnub/default.nix
index 7d6b9db60c05..ece240191314 100644
--- a/pkgs/development/python-modules/pubnub/default.nix
+++ b/pkgs/development/python-modules/pubnub/default.nix
@@ -15,7 +15,7 @@
   setuptools,
 }:
 
-buildPythonPackage rec {
+buildPythonPackage (finalAttrs: {
   pname = "pubnub";
   version = "10.6.0";
   pyproject = true;
@@ -23,7 +23,7 @@ buildPythonPackage rec {
   src = fetchFromGitHub {
     owner = "pubnub";
     repo = "python";
-    tag = version;
+    tag = finalAttrs.version;
     hash = "sha256-LInaKPvdRdVI71UpVZRKjRPvqGiQ4qzRC1uTTzFmHmA=";
   };
 
@@ -66,10 +66,10 @@ buildPythonPackage rec {
   meta = {
     description = "Python-based APIs for PubNub";
     homepage = "https://github.com/pubnub/python";
-    changelog = "https://github.com/pubnub/python/releases/tag/${src.tag}";
+    changelog = "https://github.com/pubnub/python/releases/tag/${finalAttrs.src.tag}";
     # PubNub Software Development Kit License Agreement
     # https://github.com/pubnub/python/blob/master/LICENSE
     license = lib.licenses.unfreeRedistributable;
     maintainers = with lib.maintainers; [ fab ];
   };
-}
+})