diff --git a/.ssh/config b/.ssh/config
index c0a5faa..23b6398 100644
--- a/.ssh/config
+++ b/.ssh/config
@@ -3,4 +3,6 @@ Host docker
    Port 2222
    User root
    IdentityFile ~/.ssh/id_rsa
+   UserKnownHostsFile=/dev/null
    StrictHostKeyChecking no
+