diff --git a/requirements-dev.txt b/requirements-dev.txt
index 861a257..2d83028 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,6 +1,6 @@
 wheel==0.33.6
 pytest==5.3.2
 pytest-cov
-flake8==3.7.9
+flake8==3.8.3
 autopep8==1.4.4
 freezegun==0.3.12
\ No newline at end of file