diff --git a/pkgs/development/python-modules/idna/default.nix b/pkgs/development/python-modules/idna/default.nix
index 7278212bf772..a8bda9b6f28f 100644
--- a/pkgs/development/python-modules/idna/default.nix
+++ b/pkgs/development/python-modules/idna/default.nix
@@ -6,7 +6,7 @@
   pytestCheckHook,
 }:
 
-buildPythonPackage rec {
+buildPythonPackage (finalAttrs: {
   pname = "idna";
   version = "3.18";
   pyproject = true;
@@ -14,7 +14,7 @@ buildPythonPackage rec {
   src = fetchFromGitHub {
     owner = "kjd";
     repo = "idna";
-    tag = "v${version}";
+    tag = "v${finalAttrs.version}";
     hash = "sha256-9nLy/9PNuLSQJsf4Jes0uN695+LGjz2LXlfiZxxvGV4=";
   };
 
@@ -26,9 +26,9 @@ buildPythonPackage rec {
 
   meta = {
     homepage = "https://github.com/kjd/idna/";
-    changelog = "https://github.com/kjd/idna/releases/tag/${src.tag}";
+    changelog = "https://github.com/kjd/idna/blob/${finalAttrs.src.tag}/HISTORY.md";
     description = "Internationalized Domain Names in Applications (IDNA)";
     license = lib.licenses.bsd3;
     maintainers = [ lib.maintainers.dotlambda ];
   };
-}
+})