diff --git a/Installation.md b/Installation.md
index 3b908a7..bbba0fa 100644
--- a/Installation.md
+++ b/Installation.md
@@ -17,6 +17,7 @@ with [Homebrew](https://brew.sh/) installed
 ```
 brew install p7zip
 brew install unar
+brew install sevenzip
 ```
 
 ## KindleGen