diff --git a/.github/workflows/cargo_fmt.yml b/.github/workflows/cargo_fmt.yml
index 00589ca0dcc175c0533eb8d6a7d1dd5538838b05..df466b384e7adfc9296a4eb4a669ecde2c7f9833 100644
--- a/.github/workflows/cargo_fmt.yml
+++ b/.github/workflows/cargo_fmt.yml
@@ -20,6 +20,7 @@ jobs:
       - uses: actions-rs/toolchain@v1
         with:
           target: thumbv7em-none-eabi
+          components: rustfmt
       - uses: actions/setup-python@v1
         with:
           python-version: 3.7