diff --git a/make.conf b/make.conf
index 4b1e24b..56fad85 100644
--- a/make.conf
+++ b/make.conf
@@ -9,7 +9,10 @@
 LC_MESSAGES=C.utf8
 
 # USE flags
-USE="X dist-kernel npm ssl emoji bluetooth dbus networkmanager openvpn wireguard qt6 opengl pulseaudio jack png cxx ipv6"
+USE="X dist-kernel npm ssl emoji bluetooth dbus networkmanager openvpn wireguard opengl pulseaudio jack cxx ipv6 java sound-server secureboot modules-sign"
+
+SECUREBOOT_SIGN_KEY="/etc/ssl/private/secure_boot/my_db.pem"
+SECUREBOOT_SIGN_CERT="/etc/ssl/private/secure_boot/my_db.pem"
 
 # Host Setting
 CHOST="x86_64-pc-linux-gnu"