diff --git a/README.md b/README.md
index b077e97..efcb64b 100644
--- a/README.md
+++ b/README.md
@@ -25,6 +25,7 @@ Development branch. Probably does not work.
       node.
 - [ ] Provide "minimal allocations" option that uses `unsafe` to reuse the input
       byte array as storage for strings.
+- [ ] Cache reflection operations per type.
 
 ## Ideas