diff --git a/requirements_dev.txt b/requirements_dev.txt
index f9aca75..3dc6443 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -1,7 +1,7 @@
 bump2version==0.5.11
 coverage==4.5.4
 cryptography==2.8
-flake8==3.7.8
+flake8==7.1.0
 pip==19.3.1
 pytest==5.2.2
 pytest-runner==5.2