diff --git a/requirements-testing.txt b/requirements-testing.txt
index 1ad6f2d5..ca32b893 100644
--- a/requirements-testing.txt
+++ b/requirements-testing.txt
@@ -1,6 +1,6 @@
 python-coveralls==2.9.3
 coverage==4.5.4
-flake8==3.7.8
+flake8==3.7.9
 pytest==5.2.2
 autopep8==1.4.4
 mypy==0.730