diff --git a/.github/workflows/nightly_build.yml b/.github/workflows/nightly_build.yml
index 282be76778..c7db60e201 100644
--- a/.github/workflows/nightly_build.yml
+++ b/.github/workflows/nightly_build.yml
@@ -1,6 +1,7 @@
 name: Nightly builds
 
 on:
+  workflow_dispatch:
   schedule:
     - cron: '14 1 * * *'
 jobs: