diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 5ef17a5ed5..6614e6b3e6 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -20,6 +20,8 @@ on:
     # Full nightly build
     - cron: "0 8 * * *"
       if: github.repository == 'AcademySoftwareFoundation/OpenImageIO'
+  workflow_dispatch:
+    # This allows manual triggering of the workflow from the web
 
 permissions: read-all