diff --git a/README.md b/README.md
index 89662c4..943382e 100644
--- a/README.md
+++ b/README.md
@@ -20,6 +20,7 @@ WEBAUTHN_ORIGIN=http://papercrate.local:8080
 # REFRESH_COOKIE_SECURE=true
 EOF
 
+docker compose build
 docker compose up -d
 ```