diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 40ae941..e7f0997 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -75,6 +75,7 @@ jobs:
         install_options: '--tarball-url-prefix https://nixos-nix-install-tests.cachix.org/serve'
         extra_nix_config: |
           experimental-features = nix-command flakes
+          access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
     - run: nix flake show github:NixOS/nixpkgs
 
   installer-options:
diff --git a/README.md b/README.md
index 41808d3..ebc3e74 100644
--- a/README.md
+++ b/README.md
@@ -58,6 +58,7 @@ jobs:
         install_options: '--tarball-url-prefix https://nixos-nix-install-tests.cachix.org/serve'
         extra_nix_config: |
           experimental-features = nix-command flakes
+          access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
     - run: nix-build
 ```