diff --git a/openvpn-install.sh b/openvpn-install.sh
index 403e0fd..df39897 100644
--- a/openvpn-install.sh
+++ b/openvpn-install.sh
@@ -295,7 +295,7 @@ ifconfig-pool-persist ipp.txt" > /etc/openvpn/server.conf
 		;;
 	esac
 	echo "keepalive 10 120
-cipher AES-256-CBC
+cipher AES-256-GCM
 comp-lzo
 user nobody
 group $GROUPNAME
@@ -384,7 +384,7 @@ persist-key
 persist-tun
 remote-cert-tls server
 auth SHA512
-cipher AES-256-CBC
+cipher AES-256-GCM
 comp-lzo
 setenv opt block-outside-dns
 key-direction 1