diff --git a/.github/workflows/wheels.yml b/.github/workflows/wheels.yml
index abb37bf..cc254d4 100644
--- a/.github/workflows/wheels.yml
+++ b/.github/workflows/wheels.yml
@@ -238,6 +238,7 @@ jobs:
 
     runs-on: ${{ matrix.os }}
     env:
+      USE_BUNDLE: "true"
       MACOSX_DEPLOYMENT_TARGET: "11.0"
       LUPA_WITH_LUA_DLOPEN: ${{ startsWith(matrix.os, 'windows') && 'false' || 'true' }}
 
@@ -261,12 +262,13 @@ jobs:
         ln -s /usr/local/bin/glibtoolize /usr/local/bin/libtoolize
 
     - name: Install dependencies
-      run: python -m pip install setuptools wheel -r requirements.txt
+      run: |
+        export PATH=/Library/Frameworks/Python.framework/Versions/2.7/bin:$PATH
+        python -m pip install setuptools wheel -r requirements.txt
 
     - name: Build wheels
       run: |
-        set USE_BUNDLE=true
-        set PATH=/Library/Frameworks/Python.framework/Versions/2.7/bin:$PATH
+        export PATH=/Library/Frameworks/Python.framework/Versions/2.7/bin:$PATH
         python setup.py --with-cython sdist ${{ contains(matrix.pyversion, '3.') && 'build_ext -j6' || '' }} bdist_wheel
 
     - name: Release