diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index cf68b3f..be5ebcc 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -16,6 +16,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
+      - run: sudo apt install gcc-arm-none-eabi
       - uses: actions-rs/toolchain@v1
         with:
           toolchain: stable
@@ -51,6 +52,7 @@ jobs:
             features: nightly
     steps:
       - uses: actions/checkout@v2
+      - run: sudo apt install gcc-arm-none-eabi
       - uses: actions-rs/toolchain@v1
         with:
           toolchain: ${{ matrix.toolchain }}
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 5be1311..50e0dd8 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -12,6 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
+      - run: sudo apt install gcc-arm-none-eabi
       - uses: actions-rs/toolchain@v1
         with:
           toolchain: stable