diff --git a/.github/workflows/ci-build.yml b/.github/workflows/ci-build.yml
index c6cd6cb2..88913f03 100644
--- a/.github/workflows/ci-build.yml
+++ b/.github/workflows/ci-build.yml
@@ -104,15 +104,25 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ ubuntu-22.04, windows-2022, macos-13 ]
+        os: [ ubuntu-22.04, windows-2022, macos-13, macos-14 ]
         python-version: [ '3.9', '3.10', '3.11', '3.12', '3.13' ]
-        architecture: [ 'x86', 'x64' ]
+        architecture: [ 'x86', 'x64', 'arm64' ]
         # Exclude x86 configs on non-Windows OSs
         exclude:
           - os: ubuntu-22.04
             architecture: x86
+          - os: ubuntu-22.04
+            architecture: arm64
           - os: macos-13
             architecture: x86
+          - os: macos-13
+            architecture: arm64
+          - os: macos-14
+            architecture: x86
+          - os: macos-14
+            architecture: x64
+          - os: windows-2022
+            architecture: arm64
           # Only build oldest and newest Pythons on PRs
           - python-version: ${{ github.event_name == 'pull_request' && '3.10' }}
           - python-version: ${{ github.event_name == 'pull_request' && '3.11' }}
@@ -136,7 +146,14 @@ jobs:
               short_name=linux
           elif [ ${{ matrix.os }} == macos-13 ]; then
               short_name=macos
-              build_opts="$build_opts --mac_arch=arm64,x86_64"
+              echo "CIBW_BUILD=cp$(echo ${{ matrix.python-version }} | sed 's/\.//')-macosx_$(uname -m)" >> "$GITHUB_ENV"
+              echo "CIBW_BUILD_VERBOSITY=1" >> "$GITHUB_ENV"
+              echo "MACOSX_DEPLOYMENT_TARGET=10.10" >> "$GITHUB_ENV"
+          elif [ ${{ matrix.os }} == macos-14 ]; then
+              short_name=macos
+              echo "CIBW_BUILD=cp$(echo ${{ matrix.python-version }} | sed 's/\.//')-macosx_$(uname -m)" >> "$GITHUB_ENV"
+              echo "CIBW_BUILD_VERBOSITY=1" >> "$GITHUB_ENV"
+              echo "MACOSX_DEPLOYMENT_TARGET=11.0" >> "$GITHUB_ENV"
           elif [ ${{ matrix.os }} == windows-2022 ]; then
               if [ ${{ matrix.architecture }} == x64 ]; then
                   short_name=win64
@@ -201,8 +218,13 @@ jobs:
         env:
           WXPYTHON_BUILD_ARGS: ${{ steps.init.outputs.build_opts }}
         run: |
-          cd dist
-          pip wheel -v wxPython-${{ env.VERSION }}.tar.gz
+          if [ -z "$CIBW_BUILD" ]; then
+              cd dist
+              pip wheel -v wxPython-${{ env.VERSION }}.tar.gz
+          else
+              pip install cibuildwheel
+              cibuildwheel dist/wxPython-${{ env.VERSION }}.tar.gz --output-dir dist
+          fi
 
       - name: Simple smoke test
         run: |
diff --git a/build.py b/build.py
index 0165887f..da09d1b8 100755
--- a/build.py
+++ b/build.py
@@ -1504,8 +1504,6 @@ def cmd_build_wx(options, args):
 
             if options.mac_arch:
                 build_options.append("--mac_universal_binary=%s" % options.mac_arch)
-            else:
-                build_options.append("--mac_universal_binary=default")
 
         if options.no_config:
             build_options.append('--no_config')
diff --git a/buildtools/build_wxwidgets.py b/buildtools/build_wxwidgets.py
index d21ea1b3..b438e115 100644
--- a/buildtools/build_wxwidgets.py
+++ b/buildtools/build_wxwidgets.py
@@ -194,7 +194,7 @@ def main(wxDir, args):
         "gtk3"          : (True,  "On Linux build for gtk3"),
         "mac_distdir"   : (None, "If set on Mac, will create an installer package in the specified dir."),
         "mac_universal_binary"
-                        : ("default", "Comma separated list of architectures to include in the Mac universal binary"),
+                        : ("", "Comma separated list of architectures to include in the Mac universal binary"),
         "mac_framework" : (False, "Install the Mac build as a framework"),
         "mac_framework_prefix"
                         : (defFwPrefix, "Prefix where the framework should be installed. Default: %s" % defFwPrefix),
diff --git a/buildtools/config.py b/buildtools/config.py
index 39dc5b72..2f828c83 100644
--- a/buildtools/config.py
+++ b/buildtools/config.py
@@ -280,6 +280,14 @@ class Configuration(object):
                         del LDSHARED[index:index+2]
                     except ValueError:
                         break
+                # also remove any -arch flags and their arg
+                while True:
+                    try:
+                        index = LDSHARED.index('-arch')
+                        # Strip this argument and the next one:
+                        del LDSHARED[index:index+2]
+                    except ValueError:
+                        break
                 LDSHARED = ' '.join(LDSHARED)
                 # Combine with wx's ld command and stash it in the env
                 # where distutils will get it later.