diff --git a/requirements-dev.txt b/requirements-dev.txt
index 11d410d..9e0bed3 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -2,5 +2,5 @@ pytest==5.4.3
 pytest-vcr==1.0.2
 black==19.10b0
 isort[pipfile]==5.0.7
-flake8==3.8.3
+flake8==4.0.1
 pytest-cov==2.10.0
\ No newline at end of file