diff --git a/.github/workflows/install-macos.sh b/.github/workflows/install-macos.sh
index 96ec4c4b..ff3ebece 100644
--- a/.github/workflows/install-macos.sh
+++ b/.github/workflows/install-macos.sh
@@ -10,12 +10,22 @@ pip3 install -r requirements.txt
 # pyinstaller needs to have the extensions built explicitely
 python3 setup.py build_ext --inplace
 
+# for Macos Big Sur, the stable portaudio (19.6.0) makes Friture freeze on startup
+# install from latest master instead
+# see: https://github.com/tlecomte/friture/issues/154
+brew install portaudio --HEAD
+
 pip3 install -U pyinstaller==4.2
 
 pyinstaller friture.spec -y --onedir --windowed
 
 ls -la dist/*
 
+# compare the portaudio libs to make the package contains the one that was installed with brew
+ls -la /usr/local/lib/libportaudio.dylib
+ls -la /usr/local/Cellar/portaudio/*/lib/libportaudio.dylib
+ls -la dist/friture.app/Contents/MacOS/_sounddevice_data/portaudio-binaries
+
 # prepare a dmg out of friture.app
 export ARTIFACT_FILENAME=friture-$(python3 -c 'import friture; print(friture.__version__)')-$(date +'%Y%m%d').dmg
 echo $ARTIFACT_FILENAME
diff --git a/friture.spec b/friture.spec
index ad30e500..3ad4df65 100644
--- a/friture.spec
+++ b/friture.spec
@@ -84,20 +84,26 @@ excluded_binaries = [
         'QtWebKitWidgets.framework',
         'QtWebSockets.framework']
 
+pathex = []
+binaries = []
+
 if platform.system() == "Windows":
   # workaround for PyInstaller that does not look where the new PyQt5 official wheels put the Qt dlls
   from PyInstaller.compat import getsitepackages
-  pathex = [os.path.join(x, 'PyQt5', 'Qt', 'bin') for x in getsitepackages()]
+  pathex += [os.path.join(x, 'PyQt5', 'Qt', 'bin') for x in getsitepackages()]
 
-  # add vcruntime140.dll - PyInstaller excludes it by default because it thinks it comes from c:\Windows
-  binaries = [('vcruntime140.dll', 'C:\\Python39\\vcruntime140.dll', 'BINARY')]
-else:
-  pathex = []
-  binaries = []
+# for Macos Big Sur, the stable portaudio (19.6.0) makes Friture freeze on startup
+# install from latest master instead with homebrew
+# and include it in the package
+if platform.system() == "Darwin":
+  libportaudio_path = "/usr/local/lib/libportaudio.dylib"
+  if not os.path.isfile(libportaudio_path):
+    raise ValueError('libportaudio could not be found')
+  binaries += [(libportaudio_path, os.path.join("_sounddevice_data", "portaudio-binaries"))]
 
 a = Analysis(['main.py'],
              pathex=pathex,
-             binaries=None,
+             binaries=binaries,
              datas=[],
              hiddenimports=[],
              hookspath=[],
@@ -123,7 +129,7 @@ exe = EXE(pyz,
           icon="resources/images/friture.ico")
 
 coll = COLLECT(exe,
-               a.binaries + binaries,
+               a.binaries,
                a.zipfiles,
                a.datas,
                strip=False,