diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index ae04cc7..385f8ca 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -80,6 +80,26 @@ jobs:
           toolchain: 1.72.0
           targets: aarch64-apple-darwin
       - run: cargo +1.72.0 check --target aarch64-apple-darwin
+  nightly:
+    name: Aarch64 nightly
+    runs-on: macos-14
+    env:
+      RUSTFLAGS: -C target-cpu=native
+    steps:
+      - uses: actions/checkout@v4
+      - name: Install latest nightly
+        uses: dtolnay/rust-toolchain@master
+        with:
+          toolchain: nightly
+          components: clippy
+      - name: check nightly
+        run: cargo check -Z msrv-policy
+      - name: test nightly
+        run: cargo test
+      - name: check serde
+        run: cargo check --features serde
+      - name: test serde
+        run: cargo test --features serde
 #  aarch64-debug:
 #    name: Debug Apple
 #    runs-on: macos-14