diff --git a/requirements-test.txt b/requirements-test.txt
index 66463a3..0738cfb 100644
--- a/requirements-test.txt
+++ b/requirements-test.txt
@@ -1,5 +1,5 @@
 -r requirements.txt
-flake8==3.9.2
+flake8==4.0.1
 flake8-formatter-junit-xml==0.0.6
 flake8-import-order==0.18.1
 pytest==6.2.5