diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 583a8d7..1f7cd31 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -22,7 +22,7 @@ jobs:
           authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
           name: polkadot
       - name: Nix flake check
-        run: nix flake check -L --max-jobs 1 --option cores 1
+        run: nix flake check -L --max-jobs 1 --option cores 2
       - name: Nix flake develop
         run: nix develop
       - name: Publish to FlakeHub