diff --git a/.github/workflows/api-docs.yml b/.github/workflows/api-docs.yml
index 8f1965214..0957cf0da 100644
--- a/.github/workflows/api-docs.yml
+++ b/.github/workflows/api-docs.yml
@@ -15,6 +15,8 @@
 
 name: "API Reference Deployment"
 on:
+  # TEMP (do not merge): lets a draft PR trigger this workflow for a real run.
+  pull_request:
   push:
     branches: [ 'main' ]
     tags: [ '**' ]