diff --git a/.github/workflows/build_nix.yml b/.github/workflows/build_nix.yml
index 778632494..37e789251 100644
--- a/.github/workflows/build_nix.yml
+++ b/.github/workflows/build_nix.yml
@@ -27,7 +27,7 @@ jobs:
       fail-fast: false
       max-parallel: 4
       matrix:
-        python-version: ['3.9', '3.10', '3.11'] # , '3.12' not ready
+        python-version: ['3.10', '3.11', '3.12']
 
     steps:
     - uses: actions/checkout@v3
diff --git a/.github/workflows/build_osx.yml b/.github/workflows/build_osx.yml
index ee234af97..15d2daa8a 100644
--- a/.github/workflows/build_osx.yml
+++ b/.github/workflows/build_osx.yml
@@ -20,16 +20,17 @@ env:
 jobs:
   build:
     name: Python ${{ matrix.python-version }}
-    runs-on: macos-latest
+    runs-on: ${{ matrix.os }}
 
     strategy:
       fail-fast: false
       max-parallel: 4
       matrix:
+        os: [ macos-12, macos-13, macos-latest]
         python-version: ['3.11', '3.12']
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         submodules: true
 
@@ -42,16 +43,25 @@ jobs:
       run: |
         python3 -V
         clang -v
-        swig -version
+        swig -version || ( brew update && brew install swig && swig -version )
 
     - name: pip
       run: |
         python3 -m pip install wheel pip --upgrade
         python3 -m pip install -r requirements.txt
 
-    - name: build
+    - name: build_arm
+      if: runner.os == 'macos-latest'
       run: |
-        curl -Lo mkn https://github.com/mkn/mkn/releases/download/latest/mkn_osx
+        curl -Lo mkn https://github.com/mkn/mkn/releases/download/latest/mkn_arm_osx
+        chmod +x mkn
+        ./mkn -C lib build -g 0 -dtOa "-fPIC -std=c++17"
+
+
+    - name: build_x86
+      if: runner.os != 'macos-latest'
+      run: |
+        curl -Lo mkn https://github.com/mkn/mkn/releases/download/latest/mkn_x86_osx
         chmod +x mkn
         ./mkn -C lib build -g 0 -dtOa "-fPIC -std=c++17"
 
diff --git a/lib/mkn.yaml b/lib/mkn.yaml
index ff610f655..7b5f8c663 100644
--- a/lib/mkn.yaml
+++ b/lib/mkn.yaml
@@ -36,7 +36,7 @@ profile:
       bsd_lib: ${bsd_largs}
       win: -LTCG
     mod: |
-      lang.python3{compile{with: numpy}, link{delete: CoreFoundation }}
+      lang.python3{compile:{with: numpy}, link:{delete: CoreFoundation }}
 
   - name: tick.py
     parent: arg