diff --git a/TODO.md b/TODO.md
index 98be979..0ebc8e5 100644
--- a/TODO.md
+++ b/TODO.md
@@ -17,6 +17,8 @@
   * cargo-deny
 
 * aquatic_udp
+  * don't constantly recreate access list cache
+  * request worker: use `ValidUntil::new_with_now`
   * look at proper cpu pinning (check that one thread gets bound per core)
     * then consider so_attach_reuseport_cbpf
   * what poll event capacity is actually needed?