diff --git a/.github/workflows/build-python.yml b/.github/workflows/build-python.yml
index c5e63de9d..54ea4485c 100644
--- a/.github/workflows/build-python.yml
+++ b/.github/workflows/build-python.yml
@@ -174,7 +174,11 @@ jobs:
 
       - name: Install Python Dependencies
         shell: bash
-        run: python$PYTHON_VERSION -m pip install -r python/dev_requirements.txt
+        run: |
+          if [ "${{ runner.os }}" == "macOS" ]; then
+            source venv/bin/activate
+          fi
+          python$PYTHON_VERSION -m pip install -r python/dev_requirements.txt
 
       - name: Build
         shell: bash