diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 278a190..5f64608 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -35,7 +35,7 @@ jobs:
       - id: date
         name: Generate date
         run: |-
-          nix build coreutils
+          nix build "nixpkgs#coreutils"
           echo "DATE=$(./result/bin/date +'%Y-%m-%d-%H')" >> "$GITHUB_OUTPUT"
       - name: Create release
         uses: https://gitea.com/actions/gitea-release-action@v1