diff --git a/pyproject.toml b/pyproject.toml
index f41e5c2..f7a96c9 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -53,7 +53,7 @@ test = [
     "black==23.7.0",
     "isort==5.10.1",
     "pylint==2.17.4",
-    "flake8==4.0.1",
+    "flake8==6.1.0",
     "pre-commit==3.3.2",
     "tox==4.6.4",
     "tox-gh-actions==3.1.1",