diff --git a/infrastructure/terraform/shared/main.tf b/infrastructure/terraform/shared/main.tf
index 1d5a6533..cca3394f 100644
--- a/infrastructure/terraform/shared/main.tf
+++ b/infrastructure/terraform/shared/main.tf
@@ -89,7 +89,7 @@ resource "aws_db_instance" "default" {
   # Automated backups configuration
   backup_retention_period = 14 
   backup_window           = "03:00-04:00"
-  maintenance_window      = "02:00-02:30"
+  maintenance_window      = "Sun:02:00-Sun:02:30"
   copy_tags_to_snapshot   = true
   deletion_protection     = true
 }