diff --git a/requirements_dev.txt b/requirements_dev.txt
index bed373f..17d101b 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -1,6 +1,6 @@
 bumpversion==0.5.3
 coverage==4.5.4
-flake8==3.7.9
+flake8==7.0.0
 pytest==5.3.1
 pytz==2019.3
 Sphinx==2.2.2