diff --git a/cookbooks/kazu634/ssh.rb b/cookbooks/kazu634/ssh.rb
index 5461a51..d4773c1 100644
--- a/cookbooks/kazu634/ssh.rb
+++ b/cookbooks/kazu634/ssh.rb
@@ -31,3 +31,13 @@ remote_file '/home/kazu634/.ssh/config' do
   mode '644'
 end
 
+# Disable Password authentication
+file '/etc/ssh/sshd_config.d/50-cloud-init.conf' do
+  action :delete
+end
+
+execute 'systemctl restart ssh.service ' do
+  action :nothing
+  subscribes :run, 'file[/etc/ssh/sshd_config.d/50-cloud-init.conf]'
+end
+