diff --git a/poetry.lock b/poetry.lock
index 688279b..0018c6d 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -50,7 +50,7 @@ rodi = ">=1.1.1,<1.2.0"
 typing-extensions = {version = "*", markers = "python_version < \"3.8\""}
 
 [package.extras]
-full = ["cryptography (>=35.0.0,<35.1.0)", "PyJWT (>=2.3.0,<2.4.0)"]
+full = ["PyJWT (>=2.3.0,<2.4.0)", "cryptography (>=35.0.0,<35.1.0)"]
 
 [[package]]
 name = "cchardet"
@@ -136,17 +136,17 @@ python-versions = "*"
 
 [[package]]
 name = "flake8"
-version = "3.9.2"
+version = "5.0.3"
 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 = "guardpost"
@@ -157,7 +157,7 @@ optional = false
 python-versions = "*"
 
 [package.extras]
-jwt = ["PyJWT (>=2.3.0,<2.4.0)", "cryptography (>=35.0.0,<35.1.0)"]
+jwt = ["cryptography (>=35.0.0,<35.1.0)", "PyJWT (>=2.3.0,<2.4.0)"]
 
 [[package]]
 name = "httptools"
@@ -172,7 +172,7 @@ test = ["Cython (==0.29.22)"]
 
 [[package]]
 name = "importlib-metadata"
-version = "4.5.0"
+version = "4.2.0"
 description = "Read metadata from Python packages"
 category = "dev"
 optional = false
@@ -240,11 +240,11 @@ python-versions = ">=3.6"
 
 [[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 = "packaging"
@@ -281,19 +281,19 @@ python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
 
 [[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 = "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 = "pyparsing"
@@ -493,7 +493,7 @@ testing = ["pytest (>=4.6)", "pytest-checkdocs (>=1.2.3)", "pytest-flake8", "pyt
 [metadata]
 lock-version = "1.1"
 python-versions = "^3.7"
-content-hash = "8f840ebbee429c9b84058fc2809defd2cd977b9480a1ce4352cfe3fdbc4480c6"
+content-hash = "4bf215dbfe01418eb0088c300a9d529f1bcf663dd2f6317572ab60fa25c16c96"
 
 [metadata.files]
 appdirs = [
@@ -637,8 +637,8 @@ filelock = [
     {file = "filelock-3.0.12.tar.gz", hash = "sha256:18d82244ee114f543149c66a6e0c14e9c4f8a1044b5cdaadd0f82159d6a6ff59"},
 ]
 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 = "flake8-5.0.3-py2.py3-none-any.whl", hash = "sha256:93aa565ae2f0316b95bb57a354f2b2d55ee8508e1fe1cb13b77b9c195b4a2537"},
+    {file = "flake8-5.0.3.tar.gz", hash = "sha256:b27fd7faa8d90aaae763664a489012292990388e5d3604f383b290caefbbc922"},
 ]
 guardpost = [
     {file = "guardpost-0.0.9-py3-none-any.whl", hash = "sha256:a7ac4d9910ebc50114b275fcbbc4d2411e8a7d4b0d0b9824e0a1e9623583b804"},
@@ -662,8 +662,8 @@ httptools = [
     {file = "httptools-0.2.0.tar.gz", hash = "sha256:94505026be56652d7a530ab03d89474dc6021019d6b8682281977163b3471ea0"},
 ]
 importlib-metadata = [
-    {file = "importlib_metadata-4.5.0-py3-none-any.whl", hash = "sha256:833b26fb89d5de469b24a390e9df088d4e52e4ba33b01dc5e0e4f41b81a16c00"},
-    {file = "importlib_metadata-4.5.0.tar.gz", hash = "sha256:b142cc1dd1342f31ff04bb7d022492b09920cb64fed867cd3ea6f80fe3ebd139"},
+    {file = "importlib_metadata-4.2.0-py3-none-any.whl", hash = "sha256:057e92c15bc8d9e8109738a48db0ccb31b4d9d5cfbee5a8670879a30be66304b"},
+    {file = "importlib_metadata-4.2.0.tar.gz", hash = "sha256:b7e52a1f8dec14a75ea73e0891f3060099ca1d8e6a462a4dff11c3e119ea1b31"},
 ]
 iniconfig = [
     {file = "iniconfig-1.1.1-py2.py3-none-any.whl", hash = "sha256:011e24c64b7f47f6ebd835bb12a743f2fbe9a26d4cecaa7f53bc4f35ee9da8b3"},
@@ -753,8 +753,8 @@ markupsafe = [
     {file = "MarkupSafe-2.0.1.tar.gz", hash = "sha256:594c67807fb16238b30c44bdf74f36c02cdf22d1c8cda91ef8a0ed8dabf5620a"},
 ]
 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"},
 ]
 packaging = [
     {file = "packaging-20.9-py2.py3-none-any.whl", hash = "sha256:67714da7f7bc052e064859c05c595155bd1ee9f69f76557e21f051443c20947a"},
@@ -769,12 +769,12 @@ py = [
     {file = "py-1.10.0.tar.gz", hash = "sha256:21b81bda15b66ef5e1a777a21c4dcd9c20ad3efd0b3f817e7a809035269e1bd3"},
 ]
 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"},
 ]
 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"},
 ]
 pyparsing = [
     {file = "pyparsing-2.4.7-py2.py3-none-any.whl", hash = "sha256:ef9d7589ef3c200abe66653d3f1ab1033c3c419ae9b9bdb1240a85b024efc88b"},
diff --git a/pyproject.toml b/pyproject.toml
index d53529d..3acec14 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -34,5 +34,5 @@ pytest-xdist = "^2.5.0"
 pytest-cov = "^2.12.1"
 tox = "^3.24.4"
 isort = "^5.10.1"
-flake8 = "^3.9.2"
+flake8 = "^5.0.3"
 pytest-asyncio = "^0.15.1"