diff --git a/.github/workflows/buildwheels_macos.yml b/.github/workflows/buildwheels_macos.yml
index 5b77e4e72b..3412af6999 100644
--- a/.github/workflows/buildwheels_macos.yml
+++ b/.github/workflows/buildwheels_macos.yml
@@ -21,9 +21,9 @@ jobs:
           CIBW_SKIP: "*win32 *i686 *musllinux*"
           CIBW_BUILD_VERBOSITY: 1
           CIBW_BEFORE_ALL_LINUX: "yum install -y openblas-devel"
-          CIBW_BEFORE_ALL_MACOS: "brew install libomp"
+          #CIBW_BEFORE_ALL_MACOS: "brew install libomp"
           CIBW_CONFIG_SETTINGS: "cmake.define.ENABLE_PYTHON_EMBED=OFF"
-          CIBW_CONFIG_SETTINGS_MACOS: "cmake.define.CMAKE_Fortran_COMPILER=gfortran-12 cmake.define.CMAKE_OSX_DEPLOYMENT_TARGET=10.13" 
+          CIBW_CONFIG_SETTINGS_MACOS: "cmake.define.CMAKE_Fortran_COMPILER=gfortran-12 cmake.define.CMAKE_OSX_DEPLOYMENT_TARGET=10.13 cmake.define.PYGENTEN_OPENMP=OFF cmake.define.PYGENTEN_SERIAL=ON" 
           CIBW_ENVIRONMENT_MACOS: OpenMP_ROOT="$(brew --prefix)/opt/libomp" MACOSX_DEPLOYMENT_TARGET=10.13
           CIBW_TEST_REQUIRES: pytest
           CIBW_TEST_COMMAND: >