diff --git a/requirements_dev.txt b/requirements_dev.txt
index 921cc35..e5a40e7 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -1,6 +1,6 @@
 wheel==0.36.2
 pytest==6.2.2
 pytest-cov
-flake8==3.8.4
+flake8==6.0.0
 black==20.8b1
 freezegun==1.1.0
\ No newline at end of file