diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 19acd37de..23ee4eea3 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -71,6 +71,7 @@ jobs:
         include:
           - toolchain: stable
           - toolchain: nightly
+            components: rust-src
             cargoflags: -Z build-std=panic_abort,std --features web_spin_lock
             rustflags: -C target-feature=+atomics,+bulk-memory,+mutable-globals
     env:
@@ -80,6 +81,7 @@ jobs:
       - uses: dtolnay/rust-toolchain@master
         with:
           toolchain: ${{ matrix.toolchain }}
+          components: ${{ matrix.components }}
           targets: wasm32-unknown-unknown
       - uses: jetli/wasm-pack-action@v0.4.0
       - run: wasm-pack test --chrome --headless -- --verbose ${{ matrix.cargoflags }}