diff --git a/root_external/etc/ssh/sshd_config b/root_external/etc/ssh/sshd_config
index 6f5cd00..e414d3f 100644
--- a/root_external/etc/ssh/sshd_config
+++ b/root_external/etc/ssh/sshd_config
@@ -134,3 +134,5 @@ Subsystem   sftp   /usr/lib/openssh/sftp-server
 #   AllowTcpForwarding no
 #   PermitTTY no
 #   ForceCommand cvs server
+
+PubkeyAuthOptions verify-required