diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 44abde24..eec4c5df 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -10,6 +10,8 @@ jobs:
   test:
     name: nix flake check
     runs-on: ubuntu-latest
+    with:
+      extra_nix_config: "extra-platforms = aarch64-linux"
     steps:
     - uses: actions/checkout@v4
     - uses: cachix/install-nix-action@v27