diff --git a/.gitea/workflows/build.yaml b/.gitea/workflows/build.yaml
index e697204..16e4059 100644
--- a/.gitea/workflows/build.yaml
+++ b/.gitea/workflows/build.yaml
@@ -17,7 +17,7 @@ jobs:
       - run: apk add --no-cache nodejs nix
       - name: Checkout code
         uses: actions/checkout@v4
-      - run: nix-channel --add https://nixos.org/channels/nixos-24.11 && nix-channel --update
+      - run: nix-channel --add https://nixos.org/channels/nixos-24.11 nixpkgs && nix-channel --update
       - run: nix-shell -p biber tectonic --run "tectonic Main.tex"
 
       - name: Create Release