diff --git a/setup.cfg b/setup.cfg
index 9d6861e756191ad1b7874ff438537b64ee23a94b..4c798761fa9f5bc7b8c6957573fabd4304981da8 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,4 +1,6 @@
 [flake8]
+max-line-length = 88
+extend-ignore = E203
 exclude =
     .eggs
     .git
diff --git a/tox.ini b/tox.ini
index 9112c10c7e458916ca43571fe11ee1813a9ec1c9..74f79d3af919141e82b1ae60144a5abfffbcab7f 100644
--- a/tox.ini
+++ b/tox.ini
@@ -38,8 +38,8 @@ commands =
     isort --verbose --check-only .
 skip_install = True
 deps =
-    flake8>=3.7.9
-    isort>=4.3.21
+    flake8
+    isort
 
 [pytest]
 filterwarnings =