diff --git a/pyproject.toml b/pyproject.toml
index 4bedf683..29a62813 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -60,7 +60,7 @@ pylint = "^2.3"
 black = {version = "^18.3-alpha.0",allow-prereleases = true}
 
 [tool.black]
-exclude = '(\.eggs|\.git|\.venv)'
+exclude = '(\.eggs|\.git|\.venv|node_modules/)'
 
 [tool.isort]
 multi_line_output = 3