diff --git a/README.md b/README.md
index 5274e84..a583896 100644
--- a/README.md
+++ b/README.md
@@ -31,7 +31,7 @@ sudo apt-get install curl build-essential autoconf libjpeg-dev libpng12-dev open
 In order to compile PHP on macOS machines, you must install some brew packages first:
 
 ```
-brew install freetype bison bison@2.7 gettext icu4c jpeg libiconv libpng openssl readline homebrew/dupes/zlib
+brew install freetype bison bison27 gettext icu4c jpeg libiconv libpng openssl readline homebrew/dupes/zlib
 ```
 
 Use environment variables to instruct autoconf on where to find the libraries you installed using homebrew: