diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 3d9adcfd4..75d897b86 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -107,7 +107,7 @@ jobs:
       - uses: actions/checkout@v2
       - uses: actions-rs/toolchain@v1
         with:
-          toolchain: stable
+          toolchain: nightly
           profile: minimal
           override: true
       - run: rustup update