diff --git a/src/tools/rust-analyzer/.github/workflows/ci.yaml b/src/tools/rust-analyzer/.github/workflows/ci.yaml
index 770652494f4a..e87ece5b6524 100644
--- a/src/tools/rust-analyzer/.github/workflows/ci.yaml
+++ b/src/tools/rust-analyzer/.github/workflows/ci.yaml
@@ -98,9 +98,9 @@ jobs:
         run: |
           rustup update --no-self-update stable
           rustup default stable
-          rustup component add --toolchain stable rust-src clippy
-          # We always use a nightly rustfmt, regardless of channel, because we need
-          # --file-lines.
+          rustup component add --toolchain stable rust-src clippy rustfmt
+          # We also install a nightly rustfmt, because we use `--file-lines` in
+          # a test.
           rustup toolchain install nightly --profile minimal --component rustfmt
       # https://github.com/actions-rust-lang/setup-rust-toolchain/blob/main/rust.json
       - name: Install Rust Problem Matcher