diff --git a/requirements.txt b/requirements.txt
index 9781db7..8175ae0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 argutil==1.1.9
 GitPython==2.1.13
 mistune==0.8.4
-flake8==3.7.9
+flake8==3.8.4
 pytest>=4.3.1
 coveralls>=1.2.0
 requests==2.21.0