diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index fcc054d81..4a06c133d 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -14,6 +14,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v3
+    - uses: dtolnay/rust-toolchain@stable
     - name: Check formatting
       run: cargo fmt --check