diff --git a/.forgejo/workflows/build-image.yml b/.forgejo/workflows/build-image.yml
index 8b4871e..974f4e7 100644
--- a/.forgejo/workflows/build-image.yml
+++ b/.forgejo/workflows/build-image.yml
@@ -30,6 +30,11 @@ jobs:
             echo "VERSION=dev-$(date +%s)" >> $GITHUB_ENV
           fi
 
+      - name: Enable experimental features
+        run: |
+          mkdir -p ~/.config/nix
+          echo "experimental-features = nix-command flakes" >> ~/.config/nix/nix.conf
+
       - name: Build NixOS image
         run: nix build .#base --builders "ssh://root@nixos-builder.lab x86_64-linux"