diff --git a/.github/workflows/windows_mkspecs.yml b/.github/workflows/windows_mkspecs.yml
index 8827510..c560081 100644
--- a/.github/workflows/windows_mkspecs.yml
+++ b/.github/workflows/windows_mkspecs.yml
@@ -5,6 +5,8 @@ name: Windows C++ make-specs
       extra_resolve_options:
         description: Extra Resolve Options
         required: false
+  schedule:
+  - cron: 0 1 * * *
   push:
     branches:
     - master