diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 4f45453..72025a5 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -6,7 +6,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ['3.7', '3.8', '3.9', '3.10', '3.11']
+        python-version: ['3.7', '3.8', '3.9', '3.10', '3.11', '3.12']
     steps:
       - name: Checkout
         uses: actions/checkout@v4
@@ -16,3 +16,4 @@ jobs:
         with:
           python-version: ${{ matrix.python-version }}
           pre-install: poetry
+          run-lint: ${{ matrix.python-version != '3.7' }}
diff --git a/poetry.lock b/poetry.lock
index 912989b..66376c0 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -228,21 +228,20 @@ files = [
 
 [[package]]
 name = "flake8"
-version = "5.0.4"
+version = "6.1.0"
 description = "the modular source code checker: pep8 pyflakes and co"
 category = "dev"
 optional = false
-python-versions = ">=3.6.1"
+python-versions = ">=3.8.1"
 files = [
-    {file = "flake8-5.0.4-py2.py3-none-any.whl", hash = "sha256:7a1cf6b73744f5806ab95e526f6f0d8c01c66d7bbe349562d22dfca20610b248"},
-    {file = "flake8-5.0.4.tar.gz", hash = "sha256:6fbe320aad8d6b95cec8b8e47bc933004678dc63095be98528b7bdd2a9f510db"},
+    {file = "flake8-6.1.0-py2.py3-none-any.whl", hash = "sha256:ffdfce58ea94c6580c77888a86506937f9a1a227dfcd15f245d694ae20a6b6e5"},
+    {file = "flake8-6.1.0.tar.gz", hash = "sha256:d5b3857f07c030bdb5bf41c7f53799571d75c4491748a3adcd47de929e34cd23"},
 ]
 
 [package.dependencies]
-importlib-metadata = {version = ">=1.1.0,<4.3", markers = "python_version < \"3.8\""}
 mccabe = ">=0.7.0,<0.8.0"
-pycodestyle = ">=2.9.0,<2.10.0"
-pyflakes = ">=2.5.0,<2.6.0"
+pycodestyle = ">=2.11.0,<2.12.0"
+pyflakes = ">=3.1.0,<3.2.0"
 
 [[package]]
 name = "flask"
@@ -590,26 +589,26 @@ testing = ["pytest", "pytest-benchmark"]
 
 [[package]]
 name = "pycodestyle"
-version = "2.9.0"
+version = "2.11.0"
 description = "Python style guide checker"
 category = "dev"
 optional = false
-python-versions = ">=3.6"
+python-versions = ">=3.8"
 files = [
-    {file = "pycodestyle-2.9.0-py2.py3-none-any.whl", hash = "sha256:289cdc0969d589d90752582bef6dff57c5fbc6949ee8b013ad6d6449a8ae9437"},
-    {file = "pycodestyle-2.9.0.tar.gz", hash = "sha256:beaba44501f89d785be791c9462553f06958a221d166c64e1f107320f839acc2"},
+    {file = "pycodestyle-2.11.0-py2.py3-none-any.whl", hash = "sha256:5d1013ba8dc7895b548be5afb05740ca82454fd899971563d2ef625d090326f8"},
+    {file = "pycodestyle-2.11.0.tar.gz", hash = "sha256:259bcc17857d8a8b3b4a2327324b79e5f020a13c16074670f9c8c8f872ea76d0"},
 ]
 
 [[package]]
 name = "pyflakes"
-version = "2.5.0"
+version = "3.1.0"
 description = "passive checker of Python programs"
 category = "dev"
 optional = false
-python-versions = ">=3.6"
+python-versions = ">=3.8"
 files = [
-    {file = "pyflakes-2.5.0-py2.py3-none-any.whl", hash = "sha256:4579f67d887f804e67edb544428f264b7b24f435b263c4614f384135cea553d2"},
-    {file = "pyflakes-2.5.0.tar.gz", hash = "sha256:491feb020dca48ccc562a8c0cbe8df07ee13078df59813b83959cbdada312ea3"},
+    {file = "pyflakes-3.1.0-py2.py3-none-any.whl", hash = "sha256:4132f6d49cb4dae6819e5379898f2b8cce3c5f23994194c24b77d5da2e36f774"},
+    {file = "pyflakes-3.1.0.tar.gz", hash = "sha256:a0aae034c444db0071aa077972ba4768d40c830d9539fd45bf4cd3f8f6992efc"},
 ]
 
 [[package]]
@@ -889,4 +888,4 @@ testing = ["func-timeout", "jaraco.itertools", "pytest (>=4.6)", "pytest-black (
 [metadata]
 lock-version = "2.0"
 python-versions = ">=3.7"
-content-hash = "b7d724ad65ebe29df40e340d6ff35ee088dbac4c087f5851b464700636a2ef9d"
+content-hash = "ef946de0afc080034b9f4bdb89d1198835f097c048f67e7239caf9ce0be74259"
diff --git a/pyproject.toml b/pyproject.toml
index 8b916e9..9d7e476 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -18,7 +18,7 @@ lektor = "3.*"
 
 [tool.poetry.dev-dependencies]
 isort = "^5.11"
-flake8 = "^5.0.4"
+flake8 = { version = "^6.1.0", python = "^3.8.1" }
 black = "==23.3.0"
 pytest = "^7.4.2"
 pytest-cov = "^4.1.0"