diff --git a/.github/workflows/tugboat-refresh-cache.yml b/.github/workflows/tugboat-refresh-cache.yml
index cd248385e81..bd1167fa111 100644
--- a/.github/workflows/tugboat-refresh-cache.yml
+++ b/.github/workflows/tugboat-refresh-cache.yml
@@ -1,8 +1,8 @@
 name: Refresh Tugboat Preview ID Cache
 on:
-  # UTC 0am, everyday.
+  # Every 6 hours.
   schedule:
-    - cron: '0 0 * * *'
+    - cron: '0 */6 * * *'
 jobs:
   # Collects the cache keys that need to be refreshed
   collect_cache_keys: