diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index a0eefd3a9..44e092a67 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -19,6 +19,7 @@ jobs:
         with:
           toolchain: nightly
           target: thumbv7em-none-eabi
+          components: rust-src
           override: true
       - name: Build
         run: ./test-build.sh