diff --git a/.forgejo/workflows/iso-nixos-installer.yaml b/.forgejo/workflows/iso-nixos-installer.yaml
index c7ccdb0..6b81ad9 100644
--- a/.forgejo/workflows/iso-nixos-installer.yaml
+++ b/.forgejo/workflows/iso-nixos-installer.yaml
@@ -3,5 +3,5 @@ jobs:
   build-installer:
     runs-on: builder
     steps:
-      - uses: actions/checkout@v4
+      - uses: https://code.forgejo.org/actions/checkout@v4
       - run: nix build ./installer