diff --git a/openvpn-install.sh b/openvpn-install.sh
index c39d959..0d2c796 100644
--- a/openvpn-install.sh
+++ b/openvpn-install.sh
@@ -292,7 +292,7 @@ ifconfig-pool-persist ipp.txt" > /etc/openvpn/server.conf
 		;;
 	esac
 	echo "keepalive 10 120
-cipher AES-256-CBC
+cipher AES-256-GCM
 user nobody
 group $GROUPNAME
 persist-key
@@ -365,7 +365,7 @@ persist-key
 persist-tun
 remote-cert-tls server
 auth SHA512
-cipher AES-256-CBC
+cipher AES-256-GCM
 setenv opt block-outside-dns
 key-direction 1
 verb 3" > /etc/openvpn/client-common.txt