diff --git a/.github/workflows/macosx-cpp.yml b/.github/workflows/macosx-cpp.yml
index acf016e..f77e9ce 100644
--- a/.github/workflows/macosx-cpp.yml
+++ b/.github/workflows/macosx-cpp.yml
@@ -13,6 +13,9 @@ jobs:
 
     steps:
     - uses: actions/checkout@v2
+    - name: Install Python3 Distutils
+      run: |
+        python -m pip install --upgrade pip setuptools wheel packaging
     - name: gen proj
       run: ./build_macosx.sh
     - name: build