diff --git a/.gitea/workflows/build.yml b/.gitea/workflows/build.yml
index cc66757a..1bf74cf3 100644
--- a/.gitea/workflows/build.yml
+++ b/.gitea/workflows/build.yml
@@ -7,6 +7,7 @@ on:
     branches: [master]
   schedule:
     - cron: '0 2 * * *'   # 02:00 UTC nightly snapshot
+  workflow_dispatch:
 
 env:
   NEXUS:      https://nexus.starshipos-f18.org/repository/starshipos-releases