diff --git a/requirements_dev.txt b/requirements_dev.txt
index 0f31a07..b608971 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -1,6 +1,6 @@
 bump2version==1.0.1
 coverage==5.5
-flake8==3.9.2
+flake8==7.1.0
 geopandas==0.9.0
 geojson==2.5.0
 matplotlib==3.3.4