diff --git a/requirements_dev.txt b/requirements_dev.txt
index bde5a2c..a865282 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -2,7 +2,7 @@ pip==21.0.1
 bump2version==1.0.1
 wheel==0.36.2
 watchdog==2.0.2
-flake8==3.9.0
+flake8==3.9.2
 tox==3.23.0
 coverage==5.5
 Sphinx==3.5.3