diff --git a/memorystore_instance_basic/main.tf b/memorystore_instance_basic/main.tf
index 27b8bc3b..febd1275 100644
--- a/memorystore_instance_basic/main.tf
+++ b/memorystore_instance_basic/main.tf
@@ -7,6 +7,17 @@ resource "google_memorystore_instance" "instance-basic" {
   }
   location                    = "us-central1"
   deletion_protection_enabled = false
+  maintenance_policy {
+    weekly_maintenance_window {
+      day = "MONDAY"
+      start_time {
+        hours = 1
+        minutes = 0
+        seconds = 0
+        nanos = 0
+      }
+    }
+  }
   depends_on = [
     google_network_connectivity_service_connection_policy.default
   ]
diff --git a/memorystore_instance_full/main.tf b/memorystore_instance_full/main.tf
index fa5ea93d..60ffd620 100644
--- a/memorystore_instance_full/main.tf
+++ b/memorystore_instance_full/main.tf
@@ -17,6 +17,17 @@ resource "google_memorystore_instance" "instance-full" {
     mode = "SINGLE_ZONE"
     zone = "us-central1-b"
   }
+  maintenance_policy {
+    weekly_maintenance_window {
+      day = "MONDAY"
+      start_time {
+        hours = 1
+        minutes = 0
+        seconds = 0
+        nanos = 0
+      }
+    }
+  }
   engine_version              = "VALKEY_7_2"
   deletion_protection_enabled = false
   mode = "CLUSTER"