diff --git a/.zprofile b/.zprofile
index b4b91a8..40902fb 100644
--- a/.zprofile
+++ b/.zprofile
@@ -28,7 +28,7 @@ export kee="surtur"
 export SSH_KEY_PATH="$HOME/.ssh/$kee"
 
 if [ ! -S ~/.ssh/ssh_auth_sock ]; then
-	eval `ssh-agent` > /dev/null
+	eval `ssh-agent -t4h` > /dev/null
 	ln -sf "$SSH_AUTH_SOCK" ~/.ssh/ssh_auth_sock
 fi