diff --git a/pyproject.toml b/pyproject.toml
index cd6721d..66c29dc 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,18 +1,21 @@
 [tool.black]
 target-version = ['py37']
 
 [tool.isort]
 multi_line_output = 3
 include_trailing_comma = true
 force_grid_wrap = 0
 use_parentheses = true
 ensure_newline_before_comments = true
 line_length = 88
 force_sort_within_sections = true
 
 [tool.pytest.ini_options]
 env_files = 'env/tests.env'
 log_cli = true
 log_cli_level = "INFO"
 log_cli_format = "%(asctime)s [%(levelname)8s] %(message)s (%(filename)s:%(lineno)s)"
 log_cli_date_format = "%Y-%m-%d %H:%M:%S"
+
+[build-system]
+requires = ["setuptools", "wheel", "tree_sitter"]