diff --git a/tox.ini b/tox.ini
index b3467b5..9c76974 100644
--- a/tox.ini
+++ b/tox.ini
@@ -40,7 +40,7 @@ commands = python setup.py build_sphinx
 commands = sphinx-build -a -E -d releasenotes/build/doctrees -b html releasenotes/source releasenotes/build/html
 
 [flake8]
-exclude = .venv,.git,.tox,dist,*lib/python*,*egg,build,panel_template,dash_template,local_settings.py,*/local/*,*/test/test_plugins/*,.ropeproject
+exclude = .venv,.git,.tox,dist,*lib/python*,*egg,build,panel_template,dash_template,local_settings.py,*/local/*,*/test/test_plugins/*,.ropeproject,node_modules
 max-complexity = 20
 
 [hacking]