diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 2ffad9639..dcd34eaf6 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -1,6 +1,7 @@
 ## tic GitHub Actions template: linux-macos-windows-deploy
-## revision date: 2020-07-29
+## revision date: 2020-08-06
 on:
+  workflow_dispatch:
   push:
   pull_request:
   # for now, CRON jobs only run on the default branch of the repo (i.e. usually on master)