diff --git a/requirements-dev.txt b/requirements-dev.txt
index 9911431..c567ed2 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -8,7 +8,7 @@ pytest==4.0.2
 six==1.12.0
 
 # Flake8
-flake8==3.6.0
+flake8==7.1.0
 mccabe==0.6.1
 pycodestyle==2.4.0
 pyflakes==2.0.0