diff --git a/requirements/requirements.txt b/requirements/requirements.txt
index a85aa121e6..7f7e658e92 100644
--- a/requirements/requirements.txt
+++ b/requirements/requirements.txt
@@ -5,4 +5,4 @@ cvxpy == 1.2.1
 pytest == 7.1.3 # For unit test
 pytest-xdist == 2.5.0 # For unit test
 mypy == 0.982 # For unit test
-flake8 == 5.0.4 # For unit test
+flake8 == 6.0.0 # For unit test