diff --git a/scripts/install_macos.sh b/scripts/install_macos.sh
index 7b6244026..c4c31c8e0 100755
--- a/scripts/install_macos.sh
+++ b/scripts/install_macos.sh
@@ -21,7 +21,7 @@ if [ ! -f /usr/local/bin/brew ];then
 	brew install mysql
 fi
 
-brew install libzip bzip2 gcc openssl llvm
+brew install libzip bzip2 gcc openssl re2c cmake
 
 
 if [ ! -d $DEV/server/mdserver-web ]; then