diff --git a/docs/developer-guide.md b/docs/developer-guide.md
index 8083e16b..04671b48 100644
--- a/docs/developer-guide.md
+++ b/docs/developer-guide.md
@@ -70,7 +70,8 @@ sudo pacman -S tup
 #### Mac
 First install [Homebrew](https://brew.sh/). Then you can run these commands in Terminal:
 ```bash
-brew cask install gcc-arm-embedded
+brew tap osx-cross/arm
+brew install arm-gcc-bin
 brew cask install osxfuse && brew install tup
 brew install openocd
 ```