diff --git a/poetry.lock b/poetry.lock
index 6a8b726..6ddb3ca 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -167,9 +167,9 @@ typing-extensions = {version = "*", markers = "python_version < \"3.8\""}
 wcwidth = ">=0.1.7"
 
 [package.extras]
-dev = ["codecov", "doc8", "flake8", "invoke", "mypy (==0.902)", "nox", "pytest (>=4.6)", "pytest-cov", "pytest-mock", "sphinx", "sphinx-rtd-theme", "sphinx-autobuild", "twine (>=1.11)"]
-test = ["codecov", "coverage", "pytest (>=4.6)", "pytest-cov", "pytest-mock", "gnureadline"]
-validate = ["flake8", "mypy (==0.902)", "types-pkg-resources"]
+validate = ["types-pkg-resources", "mypy (==0.902)", "flake8"]
+test = ["gnureadline", "pytest-mock", "pytest-cov", "pytest (>=4.6)", "coverage", "codecov"]
+dev = ["twine (>=1.11)", "sphinx-autobuild", "sphinx-rtd-theme", "sphinx", "pytest-mock", "pytest-cov", "pytest (>=4.6)", "nox", "mypy (==0.902)", "invoke", "flake8", "doc8", "codecov"]
 
 [[package]]
 name = "colorama"
@@ -188,7 +188,7 @@ optional = false
 python-versions = "*"
 
 [package.extras]
-test = ["flake8 (==3.7.8)", "hypothesis (==3.55.3)"]
+test = ["hypothesis (==3.55.3)", "flake8 (==3.7.8)"]
 
 [[package]]
 name = "cryptography"
@@ -294,17 +294,17 @@ testing = ["mock (>=2.0.0,<3.0)"]
 
 [[package]]
 name = "flake8"
-version = "3.9.2"
+version = "5.0.2"
 description = "the modular source code checker: pep8 pyflakes and co"
 category = "dev"
 optional = false
-python-versions = "!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,!=3.4.*,>=2.7"
+python-versions = ">=3.6.1"
 
 [package.dependencies]
-importlib-metadata = {version = "*", markers = "python_version < \"3.8\""}
-mccabe = ">=0.6.0,<0.7.0"
-pycodestyle = ">=2.7.0,<2.8.0"
-pyflakes = ">=2.3.0,<2.4.0"
+importlib-metadata = {version = "<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"
 
 [[package]]
 name = "flake8-bugbear"
@@ -368,7 +368,7 @@ python-versions = ">=3.5"
 
 [[package]]
 name = "importlib-metadata"
-version = "4.8.3"
+version = "4.2.0"
 description = "Read metadata from Python packages"
 category = "main"
 optional = false
@@ -380,8 +380,7 @@ zipp = ">=0.5"
 
 [package.extras]
 docs = ["sphinx", "jaraco.packaging (>=8.2)", "rst.linker (>=1.9)"]
-perf = ["ipython"]
-testing = ["pytest (>=6)", "pytest-checkdocs (>=2.4)", "pytest-flake8", "pytest-cov", "pytest-enabler (>=1.0.1)", "packaging", "pep517", "pyfakefs", "flufl.flake8", "pytest-perf (>=0.9.2)", "pytest-black (>=0.3.7)", "pytest-mypy", "importlib-resources (>=1.3)"]
+testing = ["pytest (>=4.6)", "pytest-checkdocs (>=2.4)", "pytest-flake8", "pytest-cov", "pytest-enabler (>=1.0.1)", "packaging", "pep517", "pyfakefs", "flufl.flake8", "pytest-black (>=0.3.7)", "pytest-mypy", "importlib-resources (>=1.3)"]
 
 [[package]]
 name = "importlib-resources"
@@ -506,11 +505,11 @@ test = ["PyYAML (>=3.12)", "bandit (>=1.1.0,<1.6.0)", "betamax (>=0.7.0)", "cove
 
 [[package]]
 name = "mccabe"
-version = "0.6.1"
+version = "0.7.0"
 description = "McCabe checker, plugin for flake8"
 category = "dev"
 optional = false
-python-versions = "*"
+python-versions = ">=3.6"
 
 [[package]]
 name = "monotonic"
@@ -803,8 +802,8 @@ optional = false
 python-versions = ">=3.6"
 
 [package.extras]
-docs = ["Sphinx (>=4)", "furo (>=2021.7.5b38)", "proselint (>=0.10.2)", "sphinx-autodoc-typehints (>=1.12)"]
-test = ["appdirs (==1.4.4)", "pytest (>=6)", "pytest-cov (>=2.7)", "pytest-mock (>=3.6)"]
+test = ["pytest-mock (>=3.6)", "pytest-cov (>=2.7)", "pytest (>=6)", "appdirs (==1.4.4)"]
+docs = ["sphinx-autodoc-typehints (>=1.12)", "proselint (>=0.10.2)", "furo (>=2021.7.5b38)", "Sphinx (>=4)"]
 
 [[package]]
 name = "pluggy"
@@ -818,8 +817,8 @@ python-versions = ">=3.6"
 importlib-metadata = {version = ">=0.12", markers = "python_version < \"3.8\""}
 
 [package.extras]
-dev = ["pre-commit", "tox"]
-testing = ["pytest", "pytest-benchmark"]
+testing = ["pytest-benchmark", "pytest"]
+dev = ["tox", "pre-commit"]
 
 [[package]]
 name = "prettytable"
@@ -846,11 +845,11 @@ python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
 
 [[package]]
 name = "pycodestyle"
-version = "2.7.0"
+version = "2.9.0"
 description = "Python style guide checker"
 category = "dev"
 optional = false
-python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
+python-versions = ">=3.6"
 
 [[package]]
 name = "pycparser"
@@ -876,11 +875,11 @@ toml = ["toml"]
 
 [[package]]
 name = "pyflakes"
-version = "2.3.1"
+version = "2.5.0"
 description = "passive checker of Python programs"
 category = "dev"
 optional = false
-python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
+python-versions = ">=3.6"
 
 [[package]]
 name = "pygments"
@@ -1441,9 +1440,9 @@ optional = false
 python-versions = ">=3.6"
 
 [package.extras]
-docs = ["Sphinx (>=3.4)", "sphinx-rtd-theme (>=0.5)"]
-optional = ["python-socks", "wsaccel"]
 test = ["websockets"]
+optional = ["wsaccel", "python-socks"]
+docs = ["sphinx-rtd-theme (>=0.5)", "Sphinx (>=3.4)"]
 
 [[package]]
 name = "wrapt"
@@ -1468,7 +1467,7 @@ testing = ["pytest (>=4.6)", "pytest-checkdocs (>=2.4)", "pytest-flake8", "pytes
 [metadata]
 lock-version = "1.1"
 python-versions = "^3.6.2"
-content-hash = "9488d007590e23c9e58e4bd641ca721d0759b4f828bf92fa8744c48d0e083510"
+content-hash = "08d003cd473fd807db430e5fbf64a0981b0d74e88e9560480eb1b47380f4a51c"
 
 [metadata.files]
 appdirs = [
@@ -1637,8 +1636,8 @@ fabric = [
     {file = "fabric-2.6.0.tar.gz", hash = "sha256:47f184b070272796fd2f9f0436799e18f2ccba4ee8ee587796fca192acd46cd2"},
 ]
 flake8 = [
-    {file = "flake8-3.9.2-py2.py3-none-any.whl", hash = "sha256:bf8fd333346d844f616e8d47905ef3a3384edae6b4e9beb0c5101e25e3110907"},
-    {file = "flake8-3.9.2.tar.gz", hash = "sha256:07528381786f2a6237b061f6e96610a4167b226cb926e2aa2b6b1d78057c576b"},
+    {file = "flake8-5.0.2-py2.py3-none-any.whl", hash = "sha256:a7926e0b6d23c0991245b60279e774d2596dfecd9b158525d1f8c050a61eae5a"},
+    {file = "flake8-5.0.2.tar.gz", hash = "sha256:9cc32bc0c5d16eacc014c7ec6f0e9565fd81df66c2092c3c9df06e3c1ac95e5d"},
 ]
 flake8-bugbear = [
     {file = "flake8-bugbear-21.11.29.tar.gz", hash = "sha256:8b04cb2fafc6a78e1a9d873bd3988e4282f7959bb6b0d7c1ae648ec09b937a7b"},
@@ -1657,8 +1656,8 @@ idna = [
     {file = "idna-3.3.tar.gz", hash = "sha256:9d643ff0a55b762d5cdb124b8eaa99c66322e2157b69160bc32796e824360e6d"},
 ]
 importlib-metadata = [
-    {file = "importlib_metadata-4.8.3-py3-none-any.whl", hash = "sha256:65a9576a5b2d58ca44d133c42a241905cc45e34d2c06fd5ba2bafa221e5d7b5e"},
-    {file = "importlib_metadata-4.8.3.tar.gz", hash = "sha256:766abffff765960fcc18003801f7044eb6755ffae4521c8e8ce8e83b9c9b0668"},
+    {file = "importlib_metadata-4.2.0-py3-none-any.whl", hash = "sha256:057e92c15bc8d9e8109738a48db0ccb31b4d9d5cfbee5a8670879a30be66304b"},
+    {file = "importlib_metadata-4.2.0.tar.gz", hash = "sha256:b7e52a1f8dec14a75ea73e0891f3060099ca1d8e6a462a4dff11c3e119ea1b31"},
 ]
 importlib-resources = [
     {file = "importlib_resources-5.4.0-py3-none-any.whl", hash = "sha256:33a95faed5fc19b4bc16b29a6eeae248a3fe69dd55d4d229d2b480e23eeaad45"},
@@ -1702,8 +1701,8 @@ keystoneauth1 = [
     {file = "keystoneauth1-4.4.0.tar.gz", hash = "sha256:34662a6be67ab29424aabe6f99a8d7eb6b88d293109a07e60fea123ebffb314f"},
 ]
 mccabe = [
-    {file = "mccabe-0.6.1-py2.py3-none-any.whl", hash = "sha256:ab8a6258860da4b6677da4bd2fe5dc2c659cff31b3ee4f7f5d64e79735b80d42"},
-    {file = "mccabe-0.6.1.tar.gz", hash = "sha256:dd8d182285a0fe56bace7f45b5e7d1a6ebcbf524e8f3bd87eb0f125271b8831f"},
+    {file = "mccabe-0.7.0-py2.py3-none-any.whl", hash = "sha256:6c2d30ab6be0e4a46919781807b4f0d834ebdd6c6e3dca0bda5a15f863427b6e"},
+    {file = "mccabe-0.7.0.tar.gz", hash = "sha256:348e0240c33b60bbdf4e523192ef919f28cb2c3d7d5c7794f74009290f236325"},
 ]
 monotonic = [
     {file = "monotonic-1.6-py2.py3-none-any.whl", hash = "sha256:68687e19a14f11f26d140dd5c86f3dba4bf5df58003000ed467e0e2a69bca96c"},
@@ -1866,8 +1865,8 @@ py = [
     {file = "py-1.11.0.tar.gz", hash = "sha256:51c75c4126074b472f746a24399ad32f6053d1b34b68d2fa41e558e6f4a98719"},
 ]
 pycodestyle = [
-    {file = "pycodestyle-2.7.0-py2.py3-none-any.whl", hash = "sha256:514f76d918fcc0b55c6680472f0a37970994e07bbb80725808c17089be302068"},
-    {file = "pycodestyle-2.7.0.tar.gz", hash = "sha256:c389c1d06bf7904078ca03399a4816f974a1d590090fecea0c63ec26ebaf1cef"},
+    {file = "pycodestyle-2.9.0-py2.py3-none-any.whl", hash = "sha256:289cdc0969d589d90752582bef6dff57c5fbc6949ee8b013ad6d6449a8ae9437"},
+    {file = "pycodestyle-2.9.0.tar.gz", hash = "sha256:beaba44501f89d785be791c9462553f06958a221d166c64e1f107320f839acc2"},
 ]
 pycparser = [
     {file = "pycparser-2.21-py2.py3-none-any.whl", hash = "sha256:8ee45429555515e1f6b185e78100aea234072576aa43ab53aefcae078162fca9"},
@@ -1878,8 +1877,8 @@ pydocstyle = [
     {file = "pydocstyle-6.1.1.tar.gz", hash = "sha256:1d41b7c459ba0ee6c345f2eb9ae827cab14a7533a88c5c6f7e94923f72df92dc"},
 ]
 pyflakes = [
-    {file = "pyflakes-2.3.1-py2.py3-none-any.whl", hash = "sha256:7893783d01b8a89811dd72d7dfd4d84ff098e5eed95cfa8905b22bbffe52efc3"},
-    {file = "pyflakes-2.3.1.tar.gz", hash = "sha256:f5bc8ecabc05bb9d291eb5203d6810b49040f6ff446a756326104746cc00c1db"},
+    {file = "pyflakes-2.5.0-py2.py3-none-any.whl", hash = "sha256:4579f67d887f804e67edb544428f264b7b24f435b263c4614f384135cea553d2"},
+    {file = "pyflakes-2.5.0.tar.gz", hash = "sha256:491feb020dca48ccc562a8c0cbe8df07ee13078df59813b83959cbdada312ea3"},
 ]
 pygments = [
     {file = "Pygments-2.11.2-py3-none-any.whl", hash = "sha256:44238f1b60a76d78fc8ca0528ee429702aae011c265fe6a8dd8b63049ae41c65"},
diff --git a/pyproject.toml b/pyproject.toml
index c3549f2..2784059 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -38,7 +38,7 @@ rich = "^11.2.0"
 [tool.poetry.dev-dependencies]
 pytest = "^6.2"
 black = { version = "^21", allow-prereleases = true }
-flake8 = "^3.9.0"
+flake8 = "^5.0.2"
 flake8-bugbear = "^21.4.1"
 pytest-watch = "^4.2.0"
 pytest-mock = "^3.5.1"