diff --git a/TODO b/TODO
index fe01ac3cf2..57d49c69b0 100644
--- a/TODO
+++ b/TODO
@@ -27,6 +27,8 @@ External:
 
 Features:
 
+* make /run/user/$UID/ a tmpfs
+
 * Imply DevicePolicy=closed when PrivateDevices= is used
 
 * add an "input" group to udev logic and add all input devices to it