diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index c6f4b80..6810d3d 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -2,7 +2,7 @@ name: SPT Release Build
 
 on:
   schedule:
-    - cron: "0 17 * * *"
+    - cron: "0 4 * * *" # Nightly should trigger at 4am UTC (11pm EST).
   repository_dispatch:
     types: [build-trigger]
   workflow_dispatch: