diff --git a/.gitea/workflows/build-docker.yml b/.gitea/workflows/build-docker.yml
index 007a674..994c378 100644
--- a/.gitea/workflows/build-docker.yml
+++ b/.gitea/workflows/build-docker.yml
@@ -12,6 +12,8 @@ jobs:
         run: apt update && apt install -y sudo
       - name: Install Nix
         uses: https://github.com/cachix/install-nix-action@v22
+        with:
+          extra_nix_config: "experimental-features = nix-command flakes"
       - name: Check out repository
         uses: https://github.com/RouxAntoine/checkout@v3.5.4
         with: