diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 0bdf998..2ae7ade 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -20,10 +20,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Install toolchain
-      uses: dtolnay/rust-toolchain@nightly
-      with:
-        toolchain: nightly-2023-08-16
-        components: rustfmt, clippy
+      uses: dtolnay/rust-toolchain@stable
     - uses: actions/checkout@v3
       with:
         submodules: recursive
diff --git a/rust-toolchain.toml b/rust-toolchain.toml
new file mode 100644
index 0000000..3fb07d1
--- /dev/null
+++ b/rust-toolchain.toml
@@ -0,0 +1,3 @@
+[toolchain]
+channel = "nightly-2023-08-16"
+components = ["rustfmt", "clippy"]