diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index c8882dd..09ad557 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -18,7 +18,9 @@ jobs:
     - uses: actions/checkout@v2
     - name: rust-toolchain
       uses: actions-rs/toolchain@v1.0.6
-      with: nightly
+      with:
+        toolchain: nightly
+        override: true
     # Rust toolchain name.
     - name: Build
       run: cargo build --verbose