diff --git a/tox.ini b/tox.ini
index 74cf8e25..77e5ae63 100644
--- a/tox.ini
+++ b/tox.ini
@@ -50,6 +50,7 @@ per-file-ignores =
 deps =
     flake8
     flake8-commas
+    flake8-quotes
 skip_install = true
 commands =
     flake8 core tests setup.py