diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index 4624973..5de9c5f 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -32,7 +32,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: dtolnay/rust-toolchain@1.70
+      - uses: dtolnay/rust-toolchain@master
+        with:
+          toolchain: "1.70.0"
       - run: cargo check --lib --all-features
 
   lint: