diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index 8cde7d527..5c5ca827f 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -83,7 +83,7 @@ jobs:
       - uses: actions-rs/toolchain@v1
         with:
           profile: minimal
-          toolchain: stable
+          toolchain: nightly
           override: true
           components: rustfmt
       - name: Cache dependencies