diff --git a/axe_selenium_python/tests/requirements/flake8.txt b/axe_selenium_python/tests/requirements/flake8.txt
index df247af..56a1631 100644
--- a/axe_selenium_python/tests/requirements/flake8.txt
+++ b/axe_selenium_python/tests/requirements/flake8.txt
@@ -1 +1 @@
-flake8==3.3.0
+flake8==3.5.0