diff --git a/pdm.lock b/pdm.lock
index b80bf6d..ea44efb 100644
--- a/pdm.lock
+++ b/pdm.lock
@@ -4,8 +4,8 @@
 [metadata]
 groups = ["default", "dev"]
 strategy = ["cross_platform", "inherit_metadata"]
-lock_version = "4.4.1"
-content_hash = "sha256:143b06c001132ba589a47b2b3a498dd54f4840d95d216c794068089fcea48d4d"
+lock_version = "4.4.2"
+content_hash = "sha256:be7a7e3edf43117f575712fb75177a099edadc659f23acd0871ac0ca84778b39"
 
 [[package]]
 name = "colorama"
@@ -19,6 +19,22 @@ files = [
     {file = "colorama-0.4.6.tar.gz", hash = "sha256:08695f5cb7ed6e0531a20572697297273c47b8cae5a63ffc6d6ed5c201be6e44"},
 ]
 
+[[package]]
+name = "flake8"
+version = "7.1.0"
+requires_python = ">=3.8.1"
+summary = "the modular source code checker: pep8 pyflakes and co"
+groups = ["dev"]
+dependencies = [
+    "mccabe<0.8.0,>=0.7.0",
+    "pycodestyle<2.13.0,>=2.12.0",
+    "pyflakes<3.3.0,>=3.2.0",
+]
+files = [
+    {file = "flake8-7.1.0-py2.py3-none-any.whl", hash = "sha256:2e416edcc62471a64cea09353f4e7bdba32aeb079b6e360554c659a122b1bc6a"},
+    {file = "flake8-7.1.0.tar.gz", hash = "sha256:48a07b626b55236e0fb4784ee69a465fbf59d79eec1f5b4785c3d3bc57d17aa5"},
+]
+
 [[package]]
 name = "iniconfig"
 version = "2.0.0"
@@ -30,6 +46,17 @@ files = [
     {file = "iniconfig-2.0.0.tar.gz", hash = "sha256:2d91e135bf72d31a410b17c16da610a82cb55f6b0477d1a902134b24a455b8b3"},
 ]
 
+[[package]]
+name = "mccabe"
+version = "0.7.0"
+requires_python = ">=3.6"
+summary = "McCabe checker, plugin for flake8"
+groups = ["dev"]
+files = [
+    {file = "mccabe-0.7.0-py2.py3-none-any.whl", hash = "sha256:6c2d30ab6be0e4a46919781807b4f0d834ebdd6c6e3dca0bda5a15f863427b6e"},
+    {file = "mccabe-0.7.0.tar.gz", hash = "sha256:348e0240c33b60bbdf4e523192ef919f28cb2c3d7d5c7794f74009290f236325"},
+]
+
 [[package]]
 name = "packaging"
 version = "24.1"
@@ -52,6 +79,28 @@ files = [
     {file = "pluggy-1.5.0.tar.gz", hash = "sha256:2cffa88e94fdc978c4c574f15f9e59b7f4201d439195c3715ca9e2486f1d0cf1"},
 ]
 
+[[package]]
+name = "pycodestyle"
+version = "2.12.0"
+requires_python = ">=3.8"
+summary = "Python style guide checker"
+groups = ["dev"]
+files = [
+    {file = "pycodestyle-2.12.0-py2.py3-none-any.whl", hash = "sha256:949a39f6b86c3e1515ba1787c2022131d165a8ad271b11370a8819aa070269e4"},
+    {file = "pycodestyle-2.12.0.tar.gz", hash = "sha256:442f950141b4f43df752dd303511ffded3a04c2b6fb7f65980574f0c31e6e79c"},
+]
+
+[[package]]
+name = "pyflakes"
+version = "3.2.0"
+requires_python = ">=3.8"
+summary = "passive checker of Python programs"
+groups = ["dev"]
+files = [
+    {file = "pyflakes-3.2.0-py2.py3-none-any.whl", hash = "sha256:84b5be138a2dfbb40689ca07e2152deb896a65c3a3e24c251c5c62489568074a"},
+    {file = "pyflakes-3.2.0.tar.gz", hash = "sha256:1c61603ff154621fb2a9172037d84dca3500def8c8b630657d1701f026f8af3f"},
+]
+
 [[package]]
 name = "pytest"
 version = "8.2.2"
diff --git a/pyproject.toml b/pyproject.toml
index b46fc76..538fe7e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -34,6 +34,7 @@ excludes = ["tests/**"]
 [tool.pdm.dev-dependencies]
 dev = [
     "pytest>=8.2.2",
+    "flake8>=7.1.0",
 ]
 
 [project.scripts]