diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index e62bc675..3416eb72 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -231,8 +231,6 @@ jobs:
           LD_LIBRARY_PATH=libyaml/src/.libs
           PYYAML_FORCE_CYTHON=1
           PYYAML_FORCE_LIBYAML=1
-        CIBW_CONFIG_SETTINGS: |
-          pyyaml_build_config={"force":1, "library_dirs": ["libyaml/src/.libs"], "include_dirs": ["libyaml/include"]}
         CIBW_TEST_COMMAND: cd {project}; pytest
         CIBW_TEST_REQUIRES: pytest
       run: |
@@ -240,7 +238,15 @@ jobs:
         
         python3 -V
         python3 -m pip install -U --user ${{ matrix.cibw_version || 'cibuildwheel' }}
-        CIBW_BEFORE_BUILD="cp -r /host$(pwd)/libyaml {project} && ls -l {project}" python3 -m cibuildwheel --platform auto --output-dir ./dist ${{ steps.fetch_sdist.outputs.download-path }}/pyyaml*.tar.gz/pyyaml*.tar.gz
+        
+        cat << 'EOF' > build_config.toml
+        [tool.cibuildwheel.config-settings]
+        pyyaml_build_config='{"force":1, "library_dirs": ["libyaml/src/.libs"], "include_dirs": ["libyaml/include"]}'
+        EOF
+        
+        ls -l build_config.toml
+        
+        CIBW_BEFORE_BUILD="cp -r /host$(pwd)/libyaml {project} && ls -l {project}" python3 -m cibuildwheel --config-file build_config.toml --platform auto --output-dir ./dist ${{ steps.fetch_sdist.outputs.download-path }}/pyyaml*.tar.gz/pyyaml*.tar.gz
 
         echo "artifact_name=$(ls ./dist/)" >> "$GITHUB_OUTPUT"
         # FIXME: ensure exactly one artifact