diff --git a/.github/workflows/scheduled-master-build.yml b/.github/workflows/scheduled-master-build.yml
index f7087e9b..d70e2a38 100644
--- a/.github/workflows/scheduled-master-build.yml
+++ b/.github/workflows/scheduled-master-build.yml
@@ -2,7 +2,7 @@ name: Build master
 
 on:
   schedule:
-    - cron:  '13 2 * * *'
+    - cron:  '13 2 10,23 * *'
 
 jobs:
   test: