diff --git a/requirements-dev.txt b/requirements-dev.txt
index 7bb6f6b..9859a9d 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -2,7 +2,7 @@
 django==3.1.13
 black==20.8b1
 isort==5.7.0
-flake8==3.8.4
+flake8==4.0.1
 pydocstyle==5.1.1
 docformatter==1.4
 coverage==5.5