diff --git a/How-to-build-M1.md b/How-to-build-M1.md
index 049ab10..59b5b0e 100644
--- a/How-to-build-M1.md
+++ b/How-to-build-M1.md
@@ -15,6 +15,8 @@ pyenv activate kindle
 brew install pyqt@5 boost-python3 cmake
 export PYTHONPATH=/opt/homebrew/Cellar/pyqt@5/5.15.7_1/lib/python3.9/site-packages
 pip install -r requirements.txt
+pip install pyinstaller 
+npm install -g appdmg
 ```
 
 You need a m1 compatible version of 7z: