diff --git a/requirements/testing.txt b/requirements/testing.txt
index 6ef2d24f..3e39f902 100644
--- a/requirements/testing.txt
+++ b/requirements/testing.txt
@@ -1,7 +1,7 @@
 -r production.txt
 isort==4.3.21
 coveralls==2.0.0
-flake8==3.8.1
+flake8==3.9.2
 flake8-isort==2.8.0
 pydocstyle==5.0.2
 pylint==2.5.2