diff --git a/requirements/dev.txt b/requirements/dev.txt
index c22b06a..256eee2 100644
--- a/requirements/dev.txt
+++ b/requirements/dev.txt
@@ -4,7 +4,7 @@ cchardet==2.1.1
 chardet==3.0.4
 coverage==4.5.1
 cython==0.28.2
-flake8==3.5.0
+flake8==5.0.1
 gunicorn==19.7.1
 isort==4.3.4
 multidict==4.1.0