diff --git a/.ci/deploy b/.ci/deploy
index fae069f8..e8db1d37 100755
--- a/.ci/deploy
+++ b/.ci/deploy
@@ -2,6 +2,15 @@
 set -Eeuo pipefail
 
 DEPLOY_HOST=172.19.11.5
+
+mkdir -p ~/.ssh
+cat >>~/.ssh/known_hosts <<END
+172.19.11.5 ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABgQCm71djj4D0EX/rW9p0d4t/gIoUMK8kMJEs71KadFUu3Ij2BHqbS3U8G3sjm6qm7nU7c0QD1WNyzLbCp23qroobS2/TOjvewZMe5Gs4iGBmE5VLJHY/hD0AKHermcrv1z7KbLnLaCgqQdGdzqcPs07Z9BdbHBDHq57+VJsIQ9BCt67GevppPyV6sIQX9h6aoLo4179vwQ9tC7fPcp8GzO7PTcixMhWGF0A12YcMxA3OR5q3GoeQxGZ3wRXg7avNJhHuAI3tWIA5VUcn/DTuRC16ndSVuyxous/L+jxNuk7wDIDXRPuOin7edoJ7s4ZXxV7EWPKANZzzmStQzeLX7ew9K6uF1BNmzZArK03ts8H/h6Q/O8KB1/oCnAtpoCMHfDM2AiF9SOAa9S6yBmYFAGXgLV+BdnbZnIpOIE6zyPv3k/c9zzFW7ZoQ9V7VWomCX7FxL6uwoaBoVAeCSVkfrxFoXnzIyrcaGXBUlWftTKpB0jqCdJ/Eifquj9ImIE5CcNk=
+172.19.11.5 ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBC5PjzIMikn+AJWyvge7DqFsdMarG9CVDov9ITbDwNwucoeEUlNoA3hypyrBeatyRL3Y+jWtPV6uwzlRTKye/BY=
+172.19.11.5 ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIEi7lEzVWCLed6VZgnIpfXF7+bugZ6uZwH2hOkIgtfAv
+END
+chmod 0600 ~/.ssh/known_hosts
+
 echo $DEPLOY_KEY >deploy-key
 chmod 0600 ./deploy-key
 BUILDSTAMP=$(cat binaries/buildstamp)