diff --git a/pyproject.toml b/pyproject.toml
index c30236d..a35cc46 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -31,7 +31,7 @@ dependencies = [
     "numpy>=1.24.0",
     "bm25s>=0.2.0",
     "pathspec>=0.12",
-    "tree-sitter>=0.25",
+    "tree-sitter>=0.25,<0.26",
     "tree-sitter-language-pack>=1.0,<1.8.0,!=1.6.3"
 ]