diff --git a/.github/workflows/main.yaml b/.github/workflows/main.yaml
index d53f069..aacc33f 100644
--- a/.github/workflows/main.yaml
+++ b/.github/workflows/main.yaml
@@ -16,6 +16,12 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
+      - name: Install General GCC C/C++ Build toolchain
+        run: |
+          sudo apt-get install -y --no-install-recommends clang-format-11
+      - name: Install General GCC C/C++ Build toolchain
+        run: |
+          sudo update-alternatives --install /usr/bin/clang-format clang-format "/usr/bin/clang-format-11 100
       - name: Clang Format
         run: ./format.sh -d
   test: