diff --git a/.github/workflows/alpha-release.yml b/.github/workflows/alpha-release.yml
index be5c285..894d47e 100644
--- a/.github/workflows/alpha-release.yml
+++ b/.github/workflows/alpha-release.yml
@@ -51,7 +51,7 @@ jobs:
         with:
           node-version: 16
       - name: install Rust stable
-        uses: dtolnay/rust-toolchain@stable
+        uses: dtolnay/rust-toolchain@nightly
       - name: install dependencies (ubuntu only)
         if: matrix.platform == 'ubuntu-20.04'
         run: |