diff --git a/main.tf b/main.tf
index 7f3bebd..aa64acc 100644
--- a/main.tf
+++ b/main.tf
@@ -1,5 +1,6 @@
 resource "aws_kms_key" "a" {
   description             = "KMS key 1"
+  enable_key_rotation = true
   deletion_window_in_days = 10
 }