diff --git a/TODO.md b/TODO.md
index 12f0de9..4f8ef23 100644
--- a/TODO.md
+++ b/TODO.md
@@ -99,6 +99,7 @@
   - ~~Style sheet~~
   - ~~Add style settings for UI panels (for buttons, labels, etc.).~~
   - ~~Parse StyleSheet from TOML file.~~
+  - Style variables
   - Animated styles
   - Find a way to reference external assets in the style (fonts, textures).
   - Create a default style for widgets.