diff --git a/requirements_for_test.txt b/requirements_for_test.txt
index 7714e63d8..217ea9d8d 100644
--- a/requirements_for_test.txt
+++ b/requirements_for_test.txt
@@ -1,5 +1,5 @@
 -r requirements.txt
-flake8==3.7.3
+flake8==3.7.4
 pytest==3.10.1
 moto==1.3.7
 pytest-env==0.6.2