diff --git a/requirements-test.txt b/requirements-test.txt
index 1db40683..0c46cf1e 100644
--- a/requirements-test.txt
+++ b/requirements-test.txt
@@ -1,7 +1,7 @@
 bandit==1.7.0
 black==20.8b1
 bump2version==1.0.1
-flake8==3.8.4
+flake8==3.9.0
 isort==5.7.0
 mike==0.5.5
 mkdocs-material==7.0.6