diff --git a/.github/workflows/build-push.yml b/.github/workflows/build-push.yml
index 2bac27982..c24db68be 100644
--- a/.github/workflows/build-push.yml
+++ b/.github/workflows/build-push.yml
@@ -1,5 +1,7 @@
 name: Build and deploy (docs)
 on:
+  repository_dispatch:
+    types: [trigger-preview-build]
   workflow_call:
     inputs:
       environment: