diff --git a/.github/workflows/github-build.yml b/.github/workflows/github-build.yml
index 677b91a..556fa26 100644
--- a/.github/workflows/github-build.yml
+++ b/.github/workflows/github-build.yml
@@ -57,13 +57,13 @@ jobs:
 
   build_mac:
 
-    runs-on: macos-11
+    runs-on: macos-13-xlarge
 
     steps:
     - uses: actions/checkout@v4
     - uses: actions/setup-python@v5
       with:
-        python-version: '3.9'
+        python-version: '3.10'
     - name: Build bin package
       run: |
         ./package/Build-Mac.sh
diff --git a/package/Build-Mac.sh b/package/Build-Mac.sh
index 4f48272..98ff98c 100755
--- a/package/Build-Mac.sh
+++ b/package/Build-Mac.sh
@@ -3,7 +3,7 @@
 # Build the uniblow MacOS binary package release
 
 # Requires Xcode developer tools
-# Python 3.9
+# Python 3.10
 # If needed, python3 -m venv unibenv should trigger the dev tools installation
 
 
@@ -15,7 +15,7 @@ python3 -m venv unibenv
 source unibenv/bin/activate
 
 echo Installing pip dependencies ...
-python -m pip install pip==21.2.1
+python -m pip install -U pip
 python -m pip install wxPython>=4.2.0
 python -m pip install .
 
@@ -32,6 +32,8 @@ setopt +o nomatch
 rm -Rf dist/uniblow.app/Contents/MacOS/*-info
 rm -Rf dist/uniblow.app/Contents/Resources/*-info
 setopt -o nomatch
+rm -Rf dist/uniblow.app/Contents/Frameworks/numpy/.dylibs
+rm -Rf dist/uniblow.app/Contents/Frameworks/PIL/.dylibs
 
 echo Compilation done.
 echo Binary result is in the dist folder.