diff --git a/.github/workflows/charts-auto-generate-docs.yaml b/.github/workflows/charts-auto-generate-docs.yaml
index 88086b4a..80f67862 100644
--- a/.github/workflows/charts-auto-generate-docs.yaml
+++ b/.github/workflows/charts-auto-generate-docs.yaml
@@ -98,3 +98,21 @@ jobs:
         commit_user_email: <k8s-at-home[bot]@users.noreply.github.com>
         commit_author: k8s-at-home[bot] <k8s-at-home[bot]@users.noreply.github.com>
         file_pattern: charts/**/
+
+ # Repo owner has commented /update-readme on a (fork-based) pull request
+  generate-readme-fork:
+    if: 
+      github.event_name == 'repository_dispatch' &&
+      github.event.client_payload.slash_command.sha != '' &&
+      contains(github.event.client_payload.pull_request.head.sha, github.event.client_payload.slash_command.sha)
+    name: Auto-generate chart README
+    runs-on: ubuntu-20.04
+    steps:
+    # Check out merge commit
+    - name: Fork based /ok-to-test checkout
+      uses: actions/checkout@v2
+      with:
+        ref: 'refs/pull/${{ github.event.client_payload.pull_request.number }}/merge'
+
+    - run: |
+        echo "success! ;-)"