diff --git a/terraform/protoc-gen-terraform-accesslist.yaml b/terraform/protoc-gen-terraform-accesslist.yaml
index 909aebb73..62ae907ee 100644
--- a/terraform/protoc-gen-terraform-accesslist.yaml
+++ b/terraform/protoc-gen-terraform-accesslist.yaml
@@ -71,3 +71,4 @@ custom_types:
   "AccessList.header.metadata.expires": Timestamp
   "AccessList.spec.audit.next_audit_date": Timestamp
   "AccessList.spec.audit.frequency": Duration
+  "AccessList.spec.audit.notifications.start": Duration