diff --git a/pkgs/development/python-modules/whenever/default.nix b/pkgs/development/python-modules/whenever/default.nix
index b9fdb1609107..ba7f70bba677 100644
--- a/pkgs/development/python-modules/whenever/default.nix
+++ b/pkgs/development/python-modules/whenever/default.nix
@@ -77,7 +77,7 @@ buildPythonPackage rec {
   meta = with lib; {
     description = "Strict, predictable, and typed datetimes";
     homepage = "https://github.com/ariebovenberg/whenever";
-    changelog = "https://github.com/ariebovenberg/whenever/blob/${src.rev}/CHANGELOG.rst";
+    changelog = "https://github.com/ariebovenberg/whenever/blob/${src.rev}/CHANGELOG.md";
     license = licenses.mit;
     maintainers = with maintainers; [ pbsds ];
   };