diff --git a/terraform/network.tf b/terraform/network.tf
index 8991351..4fb5617 100644
--- a/terraform/network.tf
+++ b/terraform/network.tf
@@ -2,6 +2,11 @@ resource "google_compute_network" "flatter_cd_network" {
   name                    = "fis-g4-network-cd"
   auto_create_subnetworks = true
   mtu                     = 1460
+  lifecycle {
+    ignore_changes = [
+      subnetwork_config
+    ]
+  }
 }
 
 resource "google_compute_firewall" "flatter_cd_firewall" {