diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 1d3531323..8d8b329d0 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -85,8 +85,8 @@ jobs:
     strategy:
       matrix:
         include:
-          - arch: x86_64-linux
-            target: lenovo-x1-carbon-gen11-debug
+   #       - arch: x86_64-linux
+   #         target: lenovo-x1-carbon-gen11-debug
           - arch: x86_64-linux
             target: nvidia-jetson-orin-agx-debug-from-x86_64
           - arch: x86_64-linux
@@ -143,8 +143,8 @@ jobs:
         uses: cachix/install-nix-action@v24
         with:
           extra_nix_config: |
-            trusted-public-keys = cache.vedenemo.dev:8NhplARANhClUSWJyLVk4WMyy1Wb4rhmWW2u8AejH9E= cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY=
-            substituters = https://cache.vedenemo.dev https://cache.nixos.org
+            trusted-public-keys = ghaf-dev.cachix.org-1:S3M8x3no8LFQPBfHw1jl6nmP8A7cVWKntoMKN3IsEQY= cache.vedenemo.dev:8NhplARANhClUSWJyLVk4WMyy1Wb4rhmWW2u8AejH9E= cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY=
+            substituters = https://ghaf-dev.cachix.org?priority=20 https://cache.vedenemo.dev https://cache.nixos.org
             system-features = nixos-test benchmark big-parallel kvm
             builders-use-substitutes = true
             builders = @/etc/nix/machines