diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index f17e94f..7cffe3b 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -12,7 +12,11 @@
 # ----------------------------------------------------------------------------
 
 name: Build
-on: [push, pull_request]
+on:
+  push:
+  pull_request:
+  repository_dispatch:
+    types: [cge-docker-unstable-changed]
 
 jobs:
   # Build for platforms supported by