diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index b7ee4346f..51f80b8d3 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -10,6 +10,7 @@ on:
     # TIP: Choose a random time here so not all repositories are build at once:
     # https://www.random.org/clock-times/?num=1&earliest=01%3A00&latest=08%3A00&interval=5&format=html&rnd=new
     - cron:  '51 2 * * *'
+  workflow_dispatch:
 jobs:
   tests:
     strategy: