diff --git a/doc/install-dependencies.md b/doc/install-dependencies.md
index 2a4d2f95645a4..66d4e71b6a028 100644
--- a/doc/install-dependencies.md
+++ b/doc/install-dependencies.md
@@ -53,7 +53,7 @@ sudo yum install yum-utils
 sudo yum-config-manager --add-repo https://openresty.org/package/centos/openresty.repo
 
 # install OpenResty and some compilation tools
-sudo yum install -y openresty curl git gcc luarocks lua-devel openresty-openssl-devel
+sudo yum install -y openresty curl git gcc lua-devel openresty-openssl-devel
 
 # install LuaRocks
 curl https://raw.githubusercontent.com/apache/apisix/master/utils/linux-install-luarocks.sh -sL | sudo bash -
@@ -78,7 +78,7 @@ tar -xvf etcd-v3.4.13-linux-amd64.tar.gz && \
     sudo cp -a etcd etcdctl /usr/bin/
 
 # install OpenResty and some compilation tools
-sudo yum install -y openresty curl git gcc luarocks lua-devel openresty-openssl-devel
+sudo yum install -y openresty curl git gcc lua-devel openresty-openssl-devel
 
 # install LuaRocks
 curl https://raw.githubusercontent.com/apache/apisix/master/utils/linux-install-luarocks.sh -sL | sudo bash -