diff --git a/terraform/app_service.tf b/terraform/app_service.tf
index 18aea094..7fa9c9e5 100644
--- a/terraform/app_service.tf
+++ b/terraform/app_service.tf
@@ -60,4 +60,12 @@ resource "azurerm_linux_web_app" "main" {
     share_name   = azurerm_storage_container.config.name
     mount_path   = local.mount_path
   }
+
+  lifecycle {
+    ignore_changes = [
+      # tags get created for Application Insights
+      # https://github.com/hashicorp/terraform-provider-azurerm/issues/16569
+      tags
+    ]
+  }
 }
diff --git a/terraform/uptime/main.tf b/terraform/uptime/main.tf
index 33e1296f..c0d1cf4c 100644
--- a/terraform/uptime/main.tf
+++ b/terraform/uptime/main.tf
@@ -17,6 +17,14 @@ resource "azurerm_application_insights_web_test" "healthcheck" {
   ]
 
   configuration = templatefile("${path.module}/webtest.xml", { url = var.url })
+
+  lifecycle {
+    ignore_changes = [
+      # tags get automatically created
+      # https://github.com/hashicorp/terraform-provider-azurerm/issues/16569
+      tags
+    ]
+  }
 }
 
 resource "azurerm_monitor_metric_alert" "uptime" {