diff --git a/bsp/default/root_file_system/etc/sysupgrade.conf b/bsp/default/root_file_system/etc/sysupgrade.conf
index 5b9c6895..d92d893a 100644
--- a/bsp/default/root_file_system/etc/sysupgrade.conf
+++ b/bsp/default/root_file_system/etc/sysupgrade.conf
@@ -1,2 +1,5 @@
 /etc/shadow
+/etc/dropbear/dropbear_dss_host_key
+/etc/dropbear/dropbear_rsa_host_key
+/etc/dropbear/authorized_keys
 /etc/network.mode