diff --git a/pkgs/build-worker-oci/update.sh b/pkgs/build-worker-oci/update.sh
index ff66ba2..8661b14 100755
--- a/pkgs/build-worker-oci/update.sh
+++ b/pkgs/build-worker-oci/update.sh
@@ -21,3 +21,12 @@ cat > ./pkgs/build-worker-oci/source.nix << EOF
 
 dockerTools.pullImage ${IMAGE}
 EOF
+
+nix build .\#packages.x86_64-linux.build-worker-oci
+
+skopeo --insecure-policy copy docker-archive:"result" \
+  docker://registry.fly.io/build-worker-kyoumanet:latest --dest-creds x:"$(flyctl auth token)" --format v2s2
+
+rm "result"
+
+fly deploy