diff --git a/.github/workflows/wheels.yml b/.github/workflows/wheels.yml
index 9f470c10e3..d1186b1941 100644
--- a/.github/workflows/wheels.yml
+++ b/.github/workflows/wheels.yml
@@ -60,7 +60,8 @@ jobs:
 
       - name: Build MacOS Wheel
         run: |
-          echo "PATH=/opt/homebrew/opt/flex/bin:/opt/homebrew/opt/bison/bin:$PATH" >> $GITHUB_ENV
+          echo "/opt/homebrew/opt/flex/bin" >> $GITHUB_PATH
+          echo "/opt/homebrew/opt/bison/bin" >> $GITHUB_PATH
           packaging/python/build_wheels.bash osx ${{ matrix.python-version }} coreneuron
 
       - name: Upload wheel files