diff --git a/.github/workflows/build-nightly.yml b/.github/workflows/build-nightly.yml
index e8f90ac..e7fa1c0 100644
--- a/.github/workflows/build-nightly.yml
+++ b/.github/workflows/build-nightly.yml
@@ -1,7 +1,7 @@
 name: build-nightly
 on:
   schedule:
-    - cron: "20 1 * * *"
+    - cron: "20 7 * * 1-5"
   workflow_dispatch:
 
 jobs: