diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index dc7331e679d..61c622c08d9 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -254,7 +254,7 @@ jobs:
         with:
           python-version: ${{ matrix.python }}
       - name: Upgrade pip
-        run: pip install pip --upgrade --user
+        run: python -m pip install pip --upgrade --user
       - name: Install PyTorch
         # As a complement to Linux CI, we test on PyTorch LTS version
         run: pip install torch==1.8.2+${{ matrix.platform }} torchvision==0.9.2+${{ matrix.platform }} -f https://download.pytorch.org/whl/lts/1.8/torch_lts.html