diff --git a/internal/mkstudent.sh b/internal/mkstudent.sh
index da4c97c..966fc8a 100644
--- a/internal/mkstudent.sh
+++ b/internal/mkstudent.sh
@@ -49,6 +49,8 @@ usermod -G wheel,docker student
 echo '%wheel ALL=(ALL) NOPASSWD: ALL' > /etc/sudoers.d/99wheel
 
 sed -i "s|PasswordAuthentication no|PasswordAuthentication yes|g" /etc/ssh/sshd_config
+sed -i "s|ChallengeResponseAuthentication no|ChallengeResponseAuthentication yes|g" /etc/ssh/sshd_config
+sed -i "s|#ChallengeResponseAuthentication no|ChallengeResponseAuthentication yes|g" /etc/ssh/sshd_config
 
 systemctl restart sshd.service