diff --git a/pyproject.toml b/pyproject.toml
index e29410c..8f355d7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -8,7 +8,7 @@ description = "LLM Mutation Testing for any programming language"
 requires-python = ">= 3.11"
 version = "1.1.9"
 dependencies = [
-    "tree-sitter==0.21.3",
+    "tree-sitter==0.22.3",
     'tree_sitter_languages==1.10.2',
     "tqdm",
     'grep_ast',