diff --git a/.github/workflows/wheels.yml b/.github/workflows/wheels.yml
index 8139b5af5..9450534be 100644
--- a/.github/workflows/wheels.yml
+++ b/.github/workflows/wheels.yml
@@ -66,6 +66,7 @@ jobs:
         run: |
           mkdir -p bison
           curl -L https://ftpmirror.gnu.org/gnu/bison/bison-3.8.2.tar.gz | tar --strip-components=1 -xzC bison
+          sed -i 's/-Werror=unused//g' Makefile
       ## Software installed by default in GitHub Action Runner VMs:
       ##  https://github.com/actions/runner-images
       - if: ${{ matrix.os.family == 'macos' }}