diff --git a/.github/workflows/ci_checks.yml b/.github/workflows/ci_checks.yml
index 2e78421..6958ae2 100644
--- a/.github/workflows/ci_checks.yml
+++ b/.github/workflows/ci_checks.yml
@@ -31,6 +31,7 @@ jobs:
           profile: minimal
           toolchain: ${{ matrix.rust }}
           override: true
+      - run: rustup target install --toolchain=${{ matrix.rust }} thumbv6m-none-eabi
       - run: cargo build --all
       - run: cargo build --all --release
   testing: