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diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index b2c295cb38732a5f8075fb7ea9f89d328f35612a..c0c72015a2aa4e423b6c7e1093e3584f8afdc793 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -45,6 +45,9 @@     - name: Install nix
       uses: cachix/install-nix-action@v14
       with:
         nix_path: "${{ matrix.nixPath }}"
+        extra_nix_config: |
+          experimental-features = nix-command flakes
+          access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
     - name: Show nixpkgs version
       run: nix-instantiate --eval -E '(import <nixpkgs> {}).lib.version'
     - name: Setup cachix
@@ -65,8 +68,7 @@           --drv-path --show-trace \
           -I nixpkgs=$(nix-instantiate --find-file nixpkgs) \
           -I $PWD
     - name: Build nix packages
-      # TODO switch to default nixpkgs channel once nix-build-uncached 1.0.0 is in stable
-      run: nix run -I 'nixpkgs=channel:nixos-unstable' nixpkgs.nix-build-uncached -c nix-build-uncached ci.nix -A cacheOutputs
+      run: nix shell -f '<nixpkgs>' nix-build-uncached -c nix-build-uncached ci.nix -A cacheOutputs
     - name: Trigger NUR update
       # Don't replace <YOUR_REPO_NAME> here!
       if: ${{ matrix.nurRepo != '<YOUR_REPO_NAME>' }}