diff --git a/install_orbit_environment.sh b/install_orbit_environment.sh
index d7f3ca6..1961f8e 100644
--- a/install_orbit_environment.sh
+++ b/install_orbit_environment.sh
@@ -10,8 +10,9 @@ echo "postfix postfix/mailname string $USER" | sudo debconf-set-selections
 echo "postfix postfix/main_mailer_type string 'Local only'" | sudo debconf-set-selections
 sudo apt-get install -y postfix
 sudo service postfix start
-#install nginx 1.18
-sudo apt install nginx -y
+#install nginx 1.23.1
+wget http://gitlab.tp.rulingcom.com/erictyl/install_r45_on_ubuntu_1804lts_doc/-/raw/master/install_nginx.sh -O install_nginx.sh
+bash install_nginx.sh
 sudo nginx -t
 nginx_status="$(echo $?)"
 if [ $nginx_status != 0 ]; then