diff --git a/requirements-test.txt b/requirements-test.txt
index bd8b090..aab5a6f 100644
--- a/requirements-test.txt
+++ b/requirements-test.txt
@@ -2,4 +2,4 @@ pytest-runner==5.3.1
 pytest-flask==1.2.0
 coveralls==3.1.0
 mypy==0.910
-flake8==3.9.2
+flake8==5.0.4