diff --git a/.github/workflows/coverage.yml b/.github/workflows/coverage.yml
index 4f269eba9..0056b20b1 100644
--- a/.github/workflows/coverage.yml
+++ b/.github/workflows/coverage.yml
@@ -27,6 +27,7 @@ jobs:
       - name: Install Rust
         uses: actions-rust-lang/setup-rust-toolchain@v1.9.0
         with:
+          toolchain: nightly
           components: llvm-tools-preview
 
       - name: Install just, cargo-llvm-cov, cargo-nextest