diff --git a/.github/workflows/nightly.yml b/.github/workflows/nightly.yml
index d4bf6a6e75..57b8c15275 100644
--- a/.github/workflows/nightly.yml
+++ b/.github/workflows/nightly.yml
@@ -4,6 +4,7 @@ on: # yamllint disable-line rule:truthy
   schedule:
     # * is a special character in YAML so you have to quote this string
     - cron: '0 0 * * *'
+  workflow_dispatch:
 
 jobs:
   check: