diff --git a/tox.ini b/tox.ini
index e6abb9fd..5d49c6ee 100644
--- a/tox.ini
+++ b/tox.ini
@@ -16,6 +16,9 @@ deps =
     -r{toxinidir}/requirements-extra.txt
 
 [testenv:style]
+deps =
+    {[testenv]deps}
+    flake8
 commands =
     flake8