diff --git a/docs/ROADMAP.org b/docs/ROADMAP.org
index 1d1f0e5..c4687de 100644
--- a/docs/ROADMAP.org
+++ b/docs/ROADMAP.org
@@ -23,11 +23,14 @@ When a version ships:
 Yoga Flexbox backend wrapped in a Common Lisp API. This is the foundation —
 every component after v0.1.0 uses the layout engine for positioning.
 
-*** TODO Yoga FFI binding
+*** DONE Yoga FFI binding
 :PROPERTIES:
 :ID:       id-v010-yoga-ffi
 :CREATED:  [2026-05-10 Sat]
 :END:
+:LOGBOOK:
+- State "DONE"  from "TODO"  [2026-05-11 Mon]
+:END:
 
 - Load the Yoga shared library via CFFI
 - Define foreign types for ~YGNodeRef~, ~YGSize~, ~YGValue~, ~YGDirection~, ~YGFlexDirection~, ~YGAlign~, ~YGJustify~, ~YGWrap~, ~YGPositionType~, ~YGOverflow~, ~YGDisplay~, ~YGEdge~