diff --git a/README.md b/README.md
index c7735473..285b26b6 100644
--- a/README.md
+++ b/README.md
@@ -138,8 +138,12 @@ build dxvk on your local system; refer to [the dxvk README.md](https://github.co
 Building for macOS
 ---
 To build Proton for macOS, install the latest Xcode command line tools, as
-well as cmake (for openal-soft) and a recent nasm (for libjpeg-turbo). You can
-use a packager like Homebrew to find these packages. Then run:
+well as cmake (for openal-soft) and a recent nasm (for libjpeg-turbo), libtool, and automake. You can
+use a packager like [Homebrew](https://brew.sh/) to find these packages.
+
+        brew install cmake nasm libtool automake
+
+Then run:
 
         ./build_proton.sh