diff --git a/requirements.txt b/requirements.txt
index bf0eafa..d9382de 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 SQLAlchemy==1.4.38
 pyyaml==5.4.1
-flake8==3.9.2
+flake8==4.0.1
 flake8-coding==1.3.2
 flake8-commas==2.1.0
 flake8-comprehensions==3.10.0