diff --git a/README.md b/README.md
index 62079ecb..001f4087 100644
--- a/README.md
+++ b/README.md
@@ -66,7 +66,7 @@ sudo /etc/init.d/shadowsocks start
 Install the dependencies,
 
 ```bash
-yum install -y gcc automake autoconf libtool make build-essential autoconf libtool gcc
+yum install -y gcc automake autoconf libtool make build-essential autoconf libtool 
 yum install -y curl curl-devel zlib-devel openssl-devel perl perl-devel cpio expat-devel gettext-devel
 ```