diff --git a/package-lock.json b/package-lock.json
index 2d91be7..1c48d6f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -29,7 +29,7 @@
         "typescript": "^5.6.2"
       },
       "engines": {
-        "node": ">=20.6",
+        "node": ">=22",
         "vscode": "^1.54.0"
       }
     },
diff --git a/src/types/UIColourPalette.ts b/src/types/UIColourPalette.ts
index df5d968..07e4956 100644
--- a/src/types/UIColourPalette.ts
+++ b/src/types/UIColourPalette.ts
@@ -105,6 +105,8 @@ interface UIColourPalette {
   'chat.avatarBackground'?: ColourLike
   /** The foreground color of a chat avatar. */
   'chat.avatarForeground'?: ColourLike
+  /** The foreground color of a chat edited file in the edited file list. */
+  'chat.editedFileForeground'?: ColourLike
   /** The background color of a chat request. */
   'chat.requestBackground'?: ColourLike
   /** The border color of a chat request. */
@@ -271,6 +273,8 @@ interface UIColourPalette {
   'dropdown.listBackground'?: ColourLike
   /** Editor background color. */
   'editor.background'?: ColourLike
+  /** The border color for an IME composition. */
+  'editor.compositionBorder'?: ColourLike
   /** Color of the current search match. */
   'editor.findMatchBackground'?: ColourLike
   /** Border color of the current search match. */