diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index ea95331..fb07a82 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -31,6 +31,12 @@ jobs:
           toolchain: stable
           components: rustfmt, clippy
       - uses: Swatinem/rust-cache@v2.9.1
+        with:
+          # Work around https://github.com/Swatinem/rust-cache/issues/341 -
+          # cache-bin: true collides with the rustup proxies on the new GitHub
+          # macOS runner image, making `cargo` dispatch as `rustup-init` after
+          # cache restore.
+          cache-bin: false
       - name: Build
         run: cargo build --verbose
       - name: Run tests