diff --git a/.github/workflows/update-geolite2.yml b/.github/workflows/update-geolite2.yml
index 3e45c7fb..679b08c8 100644
--- a/.github/workflows/update-geolite2.yml
+++ b/.github/workflows/update-geolite2.yml
@@ -2,7 +2,7 @@ name: Update GeoLite2 Checksum
 
 on:
   schedule:
-    - cron: '0 2 * * 1'  # Weekly on Mondays at 2 AM UTC
+    - cron: '0 2 * * 0'  # Weekly on Sundays at 2 AM UTC
   workflow_dispatch:
 
 permissions:
@@ -141,7 +141,8 @@ jobs:
             ---
 
             **Auto-generated by:** `.github/workflows/update-geolite2.yml`
-            **Trigger:** Scheduled weekly check (Mondays 2 AM UTC)
+            - **Trigger:** Scheduled weekly check (Sundays 2 AM UTC)
+          base: development
           branch: bot/update-geolite2-checksum
           delete-branch: true
           commit-message: |
@@ -182,7 +183,7 @@ jobs:
 
             ### Workflow Details
             - **Run URL:** ${runUrl}
-            - **Triggered:** ${context.eventName === 'schedule' ? 'Scheduled (weekly)' : 'Manual dispatch'}
+            - **Triggered:** ${context.eventName === 'schedule' ? 'Scheduled (weekly, Sundays)' : 'Manual dispatch'}
             - **Timestamp:** ${new Date().toISOString()}
 
             ### Required Actions