diff --git a/README.md b/README.md
index ad59fdc..7cb598d 100644
--- a/README.md
+++ b/README.md
@@ -14,7 +14,7 @@ cat <<EOF > .env
 BROADCASTER_PASSWORD=usedecentpasswordherelmao
 ANNOUNCED_IP=yourpublicIP
 EOF
-docker compose up -d
+docker compose up -d --build
 ```
 
 …and setting up a minimal nginx server