diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c002d0b66bd..55f10b804f3 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -109,7 +109,7 @@ jobs:
       - name: Build fallback-paths.nix
         if: ${{ github.event_name != 'pull_request' }}
         run: |
-          nix build .#fallbackPathsNix --out-link fallback
+          nix build .#fallbackPathsNix --out-link fallback --max-jobs 0
           cat fallback > ./artifacts/fallback-paths.nix
 
       - uses: DeterminateSystems/push-artifact-ids@main