diff --git a/init.el b/init.el
index ec6aa07..489e8bc 100644
--- a/init.el
+++ b/init.el
@@ -403,6 +403,15 @@ DOCSTRING is an optional form that is discarded upon expansion."
   :mode
   ("\\.cppm\\'" . c++-ts-mode))
 
+;; ---------------------------------- ;;
+;; cmake-ts-mode
+;; ---------------------------------- ;;
+
+(editor-feature cmake-ts-mode
+  "Major mode for CMake files, using the Tree-sitter parsing library."
+  :mode
+  ("\\CMakeLists.txt\\'" . cmake-ts-mode))
+
 ;; ---------------------------------- ;;
 ;; compile
 ;; ---------------------------------- ;;