diff --git a/build-workspace.sh b/build-workspace.sh
index b04323f..af32e3e 100755
--- a/build-workspace.sh
+++ b/build-workspace.sh
@@ -27,7 +27,9 @@ buildah copy "$ctr" 00-allow-git.conf /etc/ssh/ssh_config.d/
 buildah run --user $DEV_USER "$ctr" -- bash -c "\
   nvim --headless \"+Lazy! sync\" +qa && sleep 1 && \
   nvim --headless \"+Lazy! sync\" +qa && sleep 1 && \
-  nvim --headless \"+Lazy! sync\" +qa
+  nvim --headless \"+Lazy! sync\" +qa && \
+  mkdir -p $DEV_HOME/.ssh && ssh-keyscan -p 2222 10.88.0.1 >> ~/.ssh/known_hosts && \
+  ssh-keyscan -p 22 github.com >> ~/.ssh/known_hosts
 "
 
 # lock the files