diff --git a/.github/workflows/flake-update.yml b/.github/workflows/flake-update.yml
index 4ae23bd..eb75004 100644
--- a/.github/workflows/flake-update.yml
+++ b/.github/workflows/flake-update.yml
@@ -49,7 +49,7 @@ jobs:
               run: nix ./utils/diff-evals.sh
             - name: upload diff file as artifact
               id: upload-diff
-            - uses: actions/upload-artifact@v3
+              uses: actions/upload-artifact@v3
               with:
                 name: nix flake diff
                 path: post-diff