diff --git a/TODO b/TODO
index a07e22e3..52c595dd 100644
--- a/TODO
+++ b/TODO
@@ -1,4 +1,8 @@
 * Soon
+** POSIX updates
+See the recent changes about function prototypes in POSIX Yacc.  Implement
+them.
+
 ** Missing tests
 commit c22902e360e0fbbe9fd5657dcf107e03166da309
 Author: Akim Demaille <akim.demaille@gmail.com>