diff --git a/requirements_for_test.txt b/requirements_for_test.txt
index 43d6f0a2e..aeaf48f8b 100644
--- a/requirements_for_test.txt
+++ b/requirements_for_test.txt
@@ -6,7 +6,7 @@ pytest-mock==3.5.1
 pytest-xdist==2.2.1
 beautifulsoup4==4.9.3
 freezegun==1.1.0
-flake8==3.7.9
+flake8==3.8.4
 flake8-bugbear==19.8.0
 flake8-print==3.1.4
 requests-mock==1.7.0