diff --git a/pyproject.toml b/pyproject.toml
index 70a14d6..929e5e8 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -41,7 +41,7 @@ lazy-imports = "^1.0.0, <2.0.0"
 pytest = "^7.4.0"
 pytest-cov = "^4.1.0"
 pytest-rerunfailures = "^12.0.0"
-flake8 = "^6.1.0"
+flake8 = ">=6.1,<8.0"
 black = "^23.7.0"
 isort = "^5.12.0"
 mypy = "^1.5.0"