diff --git a/.gitea/workflows/build-pi-img.yml b/.gitea/workflows/build-pi-img.yml
index 8071312..ff9e1ff 100644
--- a/.gitea/workflows/build-pi-img.yml
+++ b/.gitea/workflows/build-pi-img.yml
@@ -20,6 +20,7 @@ jobs:
         with:
           extra_nix_config: "experimental-features = nix-command flakes"
           nix_path: nixpkgs=channel:nixos-23.05
+      - uses: https://github.com/DeterminateSystems/magic-nix-cache-action@main
       - name: Remove access_tokens
         run: sed -i '/^access-tokens/d' /etc/nix/nix.conf
       - name: Build image