diff --git a/.forgejo/workflows/deploy-dgnum.yaml b/.forgejo/workflows/deploy-dgnum.yaml
index 6f2eff9..dbf83fb 100644
--- a/.forgejo/workflows/deploy-dgnum.yaml
+++ b/.forgejo/workflows/deploy-dgnum.yaml
@@ -14,7 +14,7 @@ jobs:
         with:
           path: dgnum.eu
 
-      - uses: cachix/install-nix-action@v22
+      - uses: https://github.com/cachix/install-nix-action@v22
         with:
           nix_path: nixpkgs=channel:nixos-unstable