diff --git a/.github/workflows/knative-docs-image.yaml b/.github/workflows/knative-docs-image.yaml
index d25a3bd21..407df15bc 100644
--- a/.github/workflows/knative-docs-image.yaml
+++ b/.github/workflows/knative-docs-image.yaml
@@ -1,6 +1,7 @@
 name: Build Images
 
 on:
+  workflow_dispatch:
   push:
     branches: ['main']
     paths: