diff --git a/setup.py b/setup.py
index 06e7e3f..2d77836 100644
--- a/setup.py
+++ b/setup.py
@@ -6,6 +6,7 @@ setup(
     packages=find_packages(),
     install_requires=[
         "click>=8.1.8",
+        "tree-sitter>=0.25.2",
         "pyyaml>=6.0.3",
         "rich>=14.3.2",
         "pathspec>=1.0.4",