diff --git a/.forgejo/workflows/deployment/deploy-systems.yml b/.forgejo/workflows/deployment/deploy-systems.yml
index 51e6c11..9367048 100644
--- a/.forgejo/workflows/deployment/deploy-systems.yml
+++ b/.forgejo/workflows/deployment/deploy-systems.yml
@@ -13,6 +13,10 @@ jobs:
         uses: https://github.com/DeterminateSystems/nix-installer-action@v5
         with:
           github-token: ${{ secrets.GH_TOKEN }}
+          extra-conf: |
+            builders-use-substitutes = true
+            substituters = https://cache.flake.sh/kyasshu https://hyprland.cachix.org https://cache.nixos.org https://nix-gaming.cachix.org https://anyrun.cachix.org https://viperml.cachix.org https://nix-community.cachix.org https://cache.nixos.org/
+            trusted-public-keys = cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY= kyasshu:g1heIgCgG7M4San6nRsz/omcVQ1GTc7+zKKm3L9Co7o= hyprland.cachix.org-1:a7pgxzMz7+chwVL3/pzj6jIBMioiJM7ypFP8PwtkuGc= cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY= nix-gaming.cachix.org-1:nbjlureqMbRAxR1gJ/f3hxemL9svXaZF/Ees8vCUUs4= anyrun.cachix.org-1:pqBobmOjI7nKlsUMV25u9QHa9btJK65/C8vnO3p346s= viperml.cachix.org-1:qZhKBMTfmcLL+OG6fj/hzsMEedgKvZVFRRAhq7j8Vh8= nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs=
       - name: write private key
         run: |
           mkdir -p .ssh && cd .ssh