diff --git a/.forgejo/workflows/deploy-dgnum.yaml b/.forgejo/workflows/deploy-dgnum.yaml
index dbf83fb..5f85309 100644
--- a/.forgejo/workflows/deploy-dgnum.yaml
+++ b/.forgejo/workflows/deploy-dgnum.yaml
@@ -14,6 +14,9 @@ jobs:
         with:
           path: dgnum.eu
 
+      - name: install sudo
+        run: apt-get install sudo
+
       - uses: https://github.com/cachix/install-nix-action@v22
         with:
           nix_path: nixpkgs=channel:nixos-unstable