diff --git a/main.tf b/main.tf
index 47e6391..9fef6e9 100644
--- a/main.tf
+++ b/main.tf
@@ -82,6 +82,13 @@ module "cluster" {
       labels = {
         "karpenter.sh/controller" = "true"
       }
+      tag_specifications = ["instance", "volume"]
+      tags = merge(
+        module.tags.tags,
+        {
+          "kubernetes.io/cluster/${var.cluster_name}" = "owned"
+        }
+      )
     }
   }
 }