diff --git a/requirements_test.txt b/requirements_test.txt
index 6c9878b4..432fdb7c 100644
--- a/requirements_test.txt
+++ b/requirements_test.txt
@@ -1,7 +1,7 @@
 pytest==5.4.2
 pytest-timeout==1.3.4
 tox==3.15.1
-flake8==3.8.2
+flake8==6.0.0
 flake8-commas==2.0.0
 flake8-comprehensions==3.2.2
 flake8-docstrings==1.5.0