diff --git a/pyproject.toml b/pyproject.toml
index 4fda37a..a690717 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -31,6 +31,7 @@ dev = [
  "black",
  "isort",
  "seed-isort-config",
+ "flake8",
  "pytest",
  "pytest-cov",
  "pytest-mock",
@@ -49,7 +50,6 @@ dependencies = [
  "black",
  "isort",
  "seed-isort-config",
- "flake8",
  "pytest",
  "pytest-cov",
  "pytest-mock",