diff --git a/.github/workflows/update.yml b/.github/workflows/update.yml
index 4cefd6ce..641be4ff 100644
--- a/.github/workflows/update.yml
+++ b/.github/workflows/update.yml
@@ -2,7 +2,7 @@ name: Automatic Updates
 
 on:
   schedule:
-    - cron: 0 0 * * *
+    - cron: 0 0 * * 1
   workflow_dispatch:
 
 defaults:
diff --git a/README.md b/README.md
index c8de7929..541cba3c 100644
--- a/README.md
+++ b/README.md
@@ -14,6 +14,8 @@ by adding the following software:
 - Postgres Failover Slots
 - pgvector
 
+Currently, images are automatically rebuilt once a week (Monday).
+
 Barman Cloud is distributed by EnterpriseDB under the
 [GNU GPL 3 License](https://github.com/EnterpriseDB/barman/blob/master/LICENSE).