diff --git a/setup.sh b/setup.sh
index 0712173..429ed90 100644
--- a/setup.sh
+++ b/setup.sh
@@ -18,6 +18,8 @@ rm -rf $HOME/go
 
 rsync -avP ./home/ $HOME/
 
+chmod 400 $HOME/.ssh/*
+
 sudo npm install -g yarn
 
 yarn global add prettier