diff --git a/.github/actions/macos-install.sh b/.github/actions/macos-install.sh
index 09edee7e..716dd709 100755
--- a/.github/actions/macos-install.sh
+++ b/.github/actions/macos-install.sh
@@ -7,6 +7,7 @@ rm -rf $gampath
 export DYLD_PRINT_LIBRARIES=YES
 $python ./gam.py version extended
 unset DYLD_PRINT_LIBRARIES
+codesign --remove-signature /Library/Frameworks/Python.framework/Versions/3.9/Python
 $python -OO -m PyInstaller --clean --noupx --strip -F --distpath $gampath gam.spec
 export gam="$gampath/gam"
 codesign --remove-signature $gam