diff --git a/terraform/cache.tf b/terraform/cache.tf
index a38f3a5e..aae9eeaf 100644
--- a/terraform/cache.tf
+++ b/terraform/cache.tf
@@ -22,8 +22,11 @@ resource "aws_s3_bucket_lifecycle_configuration" "cache" {
     }
 
     transition {
+      # TODO: Set this to 0 as we rely on intelligent tiering to move between
+      # standard and infrequent access after 30  days.
+      # but I want to test that this is working first.
       days          = 365
-      storage_class = "STANDARD_IA"
+      storage_class = "INTELLIGENT_TIERING"
     }
   }
 }