diff --git a/overrides/default.nix b/overrides/default.nix
index e8d8c0eda..02237bc53 100644
--- a/overrides/default.nix
+++ b/overrides/default.nix
@@ -2889,7 +2889,7 @@ lib.composeManyExtensions [
         version = "6.0.1";
         pyproject = true;
 
-        src = final.fetchPypi {
+        src = final.pkgs.fetchPypi {
           inherit pname version;
           hash = "sha256-cNRzlYWnAI83v0kzwBP9sye4h4paafy7MxbIiILw9Js=";
         };