diff --git a/poetry.lock b/poetry.lock
index 82a9878..12de8ec 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1,6 +1,6 @@
 [[package]]
 name = "add-trailing-comma"
-version = "2.0.1"
+version = "2.1.0"
 description = "Automatically add trailing commas to calls and literals"
 category = "dev"
 optional = false
@@ -19,16 +19,15 @@ python-versions = "*"
 
 [[package]]
 name = "astroid"
-version = "2.4.2"
+version = "2.5.6"
 description = "An abstract syntax tree for Python with inference support."
 category = "dev"
 optional = false
-python-versions = ">=3.5"
+python-versions = "~=3.6"
 
 [package.dependencies]
-lazy-object-proxy = ">=1.4.0,<1.5.0"
-six = ">=1.12,<2.0"
-wrapt = ">=1.11,<2.0"
+lazy-object-proxy = ">=1.4.0"
+wrapt = ">=1.11,<1.13"
 
 [[package]]
 name = "atomicwrites"
@@ -40,17 +39,17 @@ python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
 
 [[package]]
 name = "attrs"
-version = "20.3.0"
+version = "21.2.0"
 description = "Classes Without Boilerplate"
 category = "dev"
 optional = false
-python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
 
 [package.extras]
-dev = ["coverage[toml] (>=5.0.2)", "hypothesis", "pympler", "pytest (>=4.3.0)", "six", "zope.interface", "furo", "sphinx", "pre-commit"]
-docs = ["furo", "sphinx", "zope.interface"]
-tests = ["coverage[toml] (>=5.0.2)", "hypothesis", "pympler", "pytest (>=4.3.0)", "six", "zope.interface"]
-tests_no_zope = ["coverage[toml] (>=5.0.2)", "hypothesis", "pympler", "pytest (>=4.3.0)", "six"]
+dev = ["coverage[toml] (>=5.0.2)", "hypothesis", "pympler", "pytest (>=4.3.0)", "six", "mypy", "pytest-mypy-plugins", "zope.interface", "furo", "sphinx", "sphinx-notfound-page", "pre-commit"]
+docs = ["furo", "sphinx", "zope.interface", "sphinx-notfound-page"]
+tests = ["coverage[toml] (>=5.0.2)", "hypothesis", "pympler", "pytest (>=4.3.0)", "six", "mypy", "pytest-mypy-plugins", "zope.interface"]
+tests_no_zope = ["coverage[toml] (>=5.0.2)", "hypothesis", "pympler", "pytest (>=4.3.0)", "six", "mypy", "pytest-mypy-plugins"]
 
 [[package]]
 name = "autoflake"
@@ -65,19 +64,19 @@ pyflakes = ">=1.1.0"
 
 [[package]]
 name = "autopep8"
-version = "1.5.4"
+version = "1.5.7"
 description = "A tool that automatically formats Python code to conform to the PEP 8 style guide"
 category = "dev"
 optional = false
 python-versions = "*"
 
 [package.dependencies]
-pycodestyle = ">=2.6.0"
+pycodestyle = ">=2.7.0"
 toml = "*"
 
 [[package]]
 name = "cfgv"
-version = "3.2.0"
+version = "3.3.0"
 description = "Validate configuration and produce human readable error messages."
 category = "dev"
 optional = false
@@ -93,12 +92,15 @@ python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
 
 [[package]]
 name = "coverage"
-version = "5.3"
+version = "5.5"
 description = "Code coverage measurement for Python"
 category = "dev"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*, <4"
 
+[package.dependencies]
+toml = {version = "*", optional = true, markers = "extra == \"toml\""}
+
 [package.extras]
 toml = ["toml"]
 
@@ -123,7 +125,7 @@ python-versions = "*"
 
 [[package]]
 name = "docformatter"
-version = "1.3.1"
+version = "1.4"
 description = "Formats docstrings to follow PEP 257."
 category = "dev"
 optional = false
@@ -150,16 +152,16 @@ python-versions = "*"
 
 [[package]]
 name = "flake8"
-version = "3.8.4"
+version = "3.9.2"
 description = "the modular source code checker: pep8 pyflakes and co"
 category = "dev"
 optional = false
-python-versions = "!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,>=2.7"
+python-versions = "!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,!=3.4.*,>=2.7"
 
 [package.dependencies]
 mccabe = ">=0.6.0,<0.7.0"
-pycodestyle = ">=2.6.0a1,<2.7.0"
-pyflakes = ">=2.2.0,<2.3.0"
+pycodestyle = ">=2.7.0,<2.8.0"
+pyflakes = ">=2.3.0,<2.4.0"
 
 [[package]]
 name = "flake8-commas"
@@ -174,7 +176,7 @@ flake8 = ">=2,<4.0.0"
 
 [[package]]
 name = "flake8-docstrings"
-version = "1.5.0"
+version = "1.6.0"
 description = "Extension for flake8 which uses pydocstyle to check docstrings"
 category = "dev"
 optional = false
@@ -221,7 +223,7 @@ flake8 = ">=3.7,<4.0"
 
 [[package]]
 name = "flake8-plugin-utils"
-version = "1.3.1"
+version = "1.3.2"
 description = "The package provides base classes and utils for flake8 plugin writing"
 category = "dev"
 optional = false
@@ -229,14 +231,14 @@ python-versions = ">=3.6,<4.0"
 
 [[package]]
 name = "flake8-pytest-style"
-version = "1.3.0"
+version = "1.4.2"
 description = "A flake8 plugin checking common style issues or inconsistencies with pytest-based tests."
 category = "dev"
 optional = false
 python-versions = ">=3.6,<4.0"
 
 [package.dependencies]
-flake8-plugin-utils = ">=1.3.1,<2.0.0"
+flake8-plugin-utils = ">=1.3.2,<2.0.0"
 
 [[package]]
 name = "flake8-quotes"
@@ -251,7 +253,7 @@ flake8 = "*"
 
 [[package]]
 name = "flakehell"
-version = "0.7.0"
+version = "0.9.0"
 description = "Flake8 wrapper to make it nice and configurable"
 category = "dev"
 optional = false
@@ -271,14 +273,14 @@ dev = ["dlint", "flake8-2020", "flake8-aaa", "flake8-absolute-import", "flake8-a
 
 [[package]]
 name = "identify"
-version = "1.5.10"
+version = "2.2.6"
 description = "File identification library for Python"
 category = "dev"
 optional = false
-python-versions = "!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,>=2.7"
+python-versions = ">=3.6.1"
 
 [package.extras]
-license = ["editdistance"]
+license = ["editdistance-s"]
 
 [[package]]
 name = "iniconfig"
@@ -290,7 +292,7 @@ python-versions = "*"
 
 [[package]]
 name = "invoke"
-version = "1.4.1"
+version = "1.5.0"
 description = "Pythonic task execution"
 category = "dev"
 optional = false
@@ -298,7 +300,7 @@ python-versions = "*"
 
 [[package]]
 name = "isort"
-version = "5.6.4"
+version = "5.8.0"
 description = "A Python utility / library to sort Python imports."
 category = "dev"
 optional = false
@@ -311,11 +313,11 @@ colors = ["colorama (>=0.4.3,<0.5.0)"]
 
 [[package]]
 name = "lazy-object-proxy"
-version = "1.4.3"
+version = "1.6.0"
 description = "A fast and thorough lazy object proxy."
 category = "dev"
 optional = false
-python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*, !=3.5.*"
 
 [[package]]
 name = "mccabe"
@@ -327,7 +329,7 @@ python-versions = "*"
 
 [[package]]
 name = "nodeenv"
-version = "1.5.0"
+version = "1.6.0"
 description = "Node.js virtual environment builder"
 category = "dev"
 optional = false
@@ -335,7 +337,7 @@ python-versions = "*"
 
 [[package]]
 name = "packaging"
-version = "20.5"
+version = "20.9"
 description = "Core utilities for Python packages"
 category = "dev"
 optional = false
@@ -357,7 +359,7 @@ dev = ["pre-commit", "tox"]
 
 [[package]]
 name = "pre-commit"
-version = "2.9.2"
+version = "2.13.0"
 description = "A framework for managing and maintaining multi-language pre-commit hooks."
 category = "dev"
 optional = false
@@ -373,7 +375,7 @@ virtualenv = ">=20.0.8"
 
 [[package]]
 name = "py"
-version = "1.9.0"
+version = "1.10.0"
 description = "library with cross-python path, ini-parsing, io, code, log facilities"
 category = "dev"
 optional = false
@@ -381,7 +383,7 @@ python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
 
 [[package]]
 name = "pycodestyle"
-version = "2.6.0"
+version = "2.7.0"
 description = "Python style guide checker"
 category = "dev"
 optional = false
@@ -389,16 +391,18 @@ python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
 
 [[package]]
 name = "pydantic"
-version = "1.7.4"
+version = "1.8.2"
 description = "Data validation and settings management using python 3.6 type hinting"
 category = "main"
 optional = false
-python-versions = ">=3.6"
+python-versions = ">=3.6.1"
+
+[package.dependencies]
+typing-extensions = ">=3.7.4.3"
 
 [package.extras]
 dotenv = ["python-dotenv (>=0.10.4)"]
 email = ["email-validator (>=1.0.3)"]
-typing_extensions = ["typing-extensions (>=3.7.2)"]
 
 [[package]]
 name = "pydocstyle"
@@ -413,7 +417,7 @@ snowballstemmer = "*"
 
 [[package]]
 name = "pyflakes"
-version = "2.2.0"
+version = "2.3.1"
 description = "passive checker of Python programs"
 category = "dev"
 optional = false
@@ -435,7 +439,7 @@ unify = ">=0.2"
 
 [[package]]
 name = "pygments"
-version = "2.7.2"
+version = "2.9.0"
 description = "Pygments is a syntax highlighting package written in Python."
 category = "dev"
 optional = false
@@ -443,14 +447,14 @@ python-versions = ">=3.5"
 
 [[package]]
 name = "pylint"
-version = "2.6.0"
+version = "2.8.2"
 description = "python code static checker"
 category = "dev"
 optional = false
-python-versions = ">=3.5.*"
+python-versions = "~=3.6"
 
 [package.dependencies]
-astroid = ">=2.4.0,<=2.5"
+astroid = ">=2.5.6,<2.7"
 colorama = {version = "*", markers = "sys_platform == \"win32\""}
 isort = ">=4.2.5,<6"
 mccabe = ">=0.6,<0.7"
@@ -487,28 +491,28 @@ testing = ["argcomplete", "hypothesis (>=3.56)", "mock", "nose", "requests", "xm
 
 [[package]]
 name = "pytest-asyncio"
-version = "0.14.0"
+version = "0.15.1"
 description = "Pytest support for asyncio."
 category = "dev"
 optional = false
-python-versions = ">= 3.5"
+python-versions = ">= 3.6"
 
 [package.dependencies]
 pytest = ">=5.4.0"
 
 [package.extras]
-testing = ["async-generator (>=1.3)", "coverage", "hypothesis (>=5.7.1)"]
+testing = ["coverage", "hypothesis (>=5.7.1)"]
 
 [[package]]
 name = "pytest-cov"
-version = "2.10.1"
+version = "2.12.0"
 description = "Pytest plugin for measuring coverage."
 category = "dev"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
 
 [package.dependencies]
-coverage = ">=4.4"
+coverage = {version = ">=5.2.1", extras = ["toml"]}
 pytest = ">=4.6"
 
 [package.extras]
@@ -530,15 +534,15 @@ dev = ["pre-commit", "tox", "pytest-asyncio"]
 
 [[package]]
 name = "pyyaml"
-version = "5.3.1"
+version = "5.4.1"
 description = "YAML parser and emitter for Python"
 category = "dev"
 optional = false
-python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*, !=3.5.*"
 
 [[package]]
 name = "six"
-version = "1.15.0"
+version = "1.16.0"
 description = "Python 2 and 3 compatibility utilities"
 category = "dev"
 optional = false
@@ -546,15 +550,15 @@ python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*"
 
 [[package]]
 name = "snowballstemmer"
-version = "2.0.0"
-description = "This package provides 26 stemmers for 25 languages generated from Snowball algorithms."
+version = "2.1.0"
+description = "This package provides 29 stemmers for 28 languages generated from Snowball algorithms."
 category = "dev"
 optional = false
 python-versions = "*"
 
 [[package]]
 name = "testfixtures"
-version = "6.15.0"
+version = "6.17.1"
 description = "A collection of helpers and mock objects for unit tests and doc tests."
 category = "dev"
 optional = false
@@ -567,7 +571,7 @@ test = ["pytest (>=3.6)", "pytest-cov", "pytest-django", "zope.component", "sybi
 
 [[package]]
 name = "tokenize-rt"
-version = "4.0.0"
+version = "4.1.0"
 description = "A wrapper around the stdlib `tokenize` which roundtrips."
 category = "dev"
 optional = false
@@ -581,6 +585,14 @@ category = "dev"
 optional = false
 python-versions = ">=2.6, !=3.0.*, !=3.1.*, !=3.2.*"
 
+[[package]]
+name = "typing-extensions"
+version = "3.10.0.0"
+description = "Backported and Experimental Type Hints for Python 3.5+"
+category = "main"
+optional = false
+python-versions = "*"
+
 [[package]]
 name = "unify"
 version = "0.5"
@@ -602,7 +614,7 @@ python-versions = "*"
 
 [[package]]
 name = "urllib3"
-version = "1.26.2"
+version = "1.26.5"
 description = "HTTP library with thread-safe connection pooling, file post, and more."
 category = "dev"
 optional = false
@@ -615,7 +627,7 @@ socks = ["PySocks (>=1.5.6,!=1.5.7,<2.0)"]
 
 [[package]]
 name = "virtualenv"
-version = "20.2.1"
+version = "20.4.7"
 description = "Virtual Python Environment builder"
 category = "dev"
 optional = false
@@ -629,7 +641,7 @@ six = ">=1.9.0,<2"
 
 [package.extras]
 docs = ["proselint (>=0.10.2)", "sphinx (>=3)", "sphinx-argparse (>=0.2.5)", "sphinx-rtd-theme (>=0.4.3)", "towncrier (>=19.9.0rc1)"]
-testing = ["coverage (>=4)", "coverage-enable-subprocess (>=1)", "flaky (>=3)", "pytest (>=4)", "pytest-env (>=0.6.2)", "pytest-freezegun (>=0.4.1)", "pytest-mock (>=2)", "pytest-randomly (>=1)", "pytest-timeout (>=1)", "pytest-xdist (>=1.31.0)", "packaging (>=20.0)", "xonsh (>=0.9.16)"]
+testing = ["coverage (>=4)", "coverage-enable-subprocess (>=1)", "flaky (>=3)", "pytest (>=4)", "pytest-env (>=0.6.2)", "pytest-freezegun (>=0.4.1)", "pytest-mock (>=2)", "pytest-randomly (>=1)", "pytest-timeout (>=1)", "packaging (>=20.0)", "xonsh (>=0.9.16)"]
 
 [[package]]
 name = "wrapt"
@@ -642,78 +654,97 @@ python-versions = "*"
 [metadata]
 lock-version = "1.1"
 python-versions = "^3.8"
-content-hash = "7ec97dea7f72899125b7868e19b7c8c205b302cba94350b2bb563f1b5d0746ff"
+content-hash = "cd7287826807cee2583eb5c37a7f6d91358af7fdeb3124af76d4596ca05f33d5"
 
 [metadata.files]
 add-trailing-comma = [
-    {file = "add_trailing_comma-2.0.1-py2.py3-none-any.whl", hash = "sha256:34e090e00d9f93992fd09ffdc7cd8cdddcdb03f950efa5b60166209c98789801"},
-    {file = "add_trailing_comma-2.0.1.tar.gz", hash = "sha256:7b8e63fe870045646b80e97cc79988cae8a820de0bdbdf4032c554e451ea18d0"},
+    {file = "add_trailing_comma-2.1.0-py2.py3-none-any.whl", hash = "sha256:f462403aa2e997e20855708edb57536d1d3310d5c5fac7e80542578eb47fdb10"},
+    {file = "add_trailing_comma-2.1.0.tar.gz", hash = "sha256:f9864ffbc12ea4e54916a356d57341ab58f612867c2ad453339c51004807e8ce"},
 ]
 appdirs = [
     {file = "appdirs-1.4.4-py2.py3-none-any.whl", hash = "sha256:a841dacd6b99318a741b166adb07e19ee71a274450e68237b4650ca1055ab128"},
     {file = "appdirs-1.4.4.tar.gz", hash = "sha256:7d5d0167b2b1ba821647616af46a749d1c653740dd0d2415100fe26e27afdf41"},
 ]
 astroid = [
-    {file = "astroid-2.4.2-py3-none-any.whl", hash = "sha256:bc58d83eb610252fd8de6363e39d4f1d0619c894b0ed24603b881c02e64c7386"},
-    {file = "astroid-2.4.2.tar.gz", hash = "sha256:2f4078c2a41bf377eea06d71c9d2ba4eb8f6b1af2135bec27bbbb7d8f12bb703"},
+    {file = "astroid-2.5.6-py3-none-any.whl", hash = "sha256:4db03ab5fc3340cf619dbc25e42c2cc3755154ce6009469766d7143d1fc2ee4e"},
+    {file = "astroid-2.5.6.tar.gz", hash = "sha256:8a398dfce302c13f14bab13e2b14fe385d32b73f4e4853b9bdfb64598baa1975"},
 ]
 atomicwrites = [
     {file = "atomicwrites-1.4.0-py2.py3-none-any.whl", hash = "sha256:6d1784dea7c0c8d4a5172b6c620f40b6e4cbfdf96d783691f2e1302a7b88e197"},
     {file = "atomicwrites-1.4.0.tar.gz", hash = "sha256:ae70396ad1a434f9c7046fd2dd196fc04b12f9e91ffb859164193be8b6168a7a"},
 ]
 attrs = [
-    {file = "attrs-20.3.0-py2.py3-none-any.whl", hash = "sha256:31b2eced602aa8423c2aea9c76a724617ed67cf9513173fd3a4f03e3a929c7e6"},
-    {file = "attrs-20.3.0.tar.gz", hash = "sha256:832aa3cde19744e49938b91fea06d69ecb9e649c93ba974535d08ad92164f700"},
+    {file = "attrs-21.2.0-py2.py3-none-any.whl", hash = "sha256:149e90d6d8ac20db7a955ad60cf0e6881a3f20d37096140088356da6c716b0b1"},
+    {file = "attrs-21.2.0.tar.gz", hash = "sha256:ef6aaac3ca6cd92904cdd0d83f629a15f18053ec84e6432106f7a4d04ae4f5fb"},
 ]
 autoflake = [
     {file = "autoflake-1.4.tar.gz", hash = "sha256:61a353012cff6ab94ca062823d1fb2f692c4acda51c76ff83a8d77915fba51ea"},
 ]
 autopep8 = [
-    {file = "autopep8-1.5.4.tar.gz", hash = "sha256:d21d3901cb0da6ebd1e83fc9b0dfbde8b46afc2ede4fe32fbda0c7c6118ca094"},
+    {file = "autopep8-1.5.7-py2.py3-none-any.whl", hash = "sha256:aa213493c30dcdac99537249ee65b24af0b2c29f2e83cd8b3f68760441ed0db9"},
+    {file = "autopep8-1.5.7.tar.gz", hash = "sha256:276ced7e9e3cb22e5d7c14748384a5cf5d9002257c0ed50c0e075b68011bb6d0"},
 ]
 cfgv = [
-    {file = "cfgv-3.2.0-py2.py3-none-any.whl", hash = "sha256:32e43d604bbe7896fe7c248a9c2276447dbef840feb28fe20494f62af110211d"},
-    {file = "cfgv-3.2.0.tar.gz", hash = "sha256:cf22deb93d4bcf92f345a5c3cd39d3d41d6340adc60c78bbbd6588c384fda6a1"},
+    {file = "cfgv-3.3.0-py2.py3-none-any.whl", hash = "sha256:b449c9c6118fe8cca7fa5e00b9ec60ba08145d281d52164230a69211c5d597a1"},
+    {file = "cfgv-3.3.0.tar.gz", hash = "sha256:9e600479b3b99e8af981ecdfc80a0296104ee610cab48a5ae4ffd0b668650eb1"},
 ]
 colorama = [
     {file = "colorama-0.4.4-py2.py3-none-any.whl", hash = "sha256:9f47eda37229f68eee03b24b9748937c7dc3868f906e8ba69fbcbdd3bc5dc3e2"},
     {file = "colorama-0.4.4.tar.gz", hash = "sha256:5941b2b48a20143d2267e95b1c2a7603ce057ee39fd88e7329b0c292aa16869b"},
 ]
 coverage = [
-    {file = "coverage-5.3-cp27-cp27m-macosx_10_13_intel.whl", hash = "sha256:bd3166bb3b111e76a4f8e2980fa1addf2920a4ca9b2b8ca36a3bc3dedc618270"},
-    {file = "coverage-5.3-cp27-cp27m-macosx_10_9_x86_64.whl", hash = "sha256:9342dd70a1e151684727c9c91ea003b2fb33523bf19385d4554f7897ca0141d4"},
-    {file = "coverage-5.3-cp27-cp27m-manylinux1_i686.whl", hash = "sha256:63808c30b41f3bbf65e29f7280bf793c79f54fb807057de7e5238ffc7cc4d7b9"},
-    {file = "coverage-5.3-cp27-cp27m-manylinux1_x86_64.whl", hash = "sha256:4d6a42744139a7fa5b46a264874a781e8694bb32f1d76d8137b68138686f1729"},
-    {file = "coverage-5.3-cp27-cp27m-win32.whl", hash = "sha256:86e9f8cd4b0cdd57b4ae71a9c186717daa4c5a99f3238a8723f416256e0b064d"},
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-    {file = "six-1.15.0.tar.gz", hash = "sha256:30639c035cdb23534cd4aa2dd52c3bf48f06e5f4a941509c8bafd8ce11080259"},
+    {file = "six-1.16.0-py2.py3-none-any.whl", hash = "sha256:8abb2f1d86890a2dfb989f9a77cfcfd3e47c2a354b01111771326f8aa26e0254"},
+    {file = "six-1.16.0.tar.gz", hash = "sha256:1e61c37477a1626458e36f7b1d82aa5c9b094fa4802892072e49de9c60c4c926"},
 ]
 snowballstemmer = [
-    {file = "snowballstemmer-2.0.0-py2.py3-none-any.whl", hash = "sha256:209f257d7533fdb3cb73bdbd24f436239ca3b2fa67d56f6ff88e86be08cc5ef0"},
-    {file = "snowballstemmer-2.0.0.tar.gz", hash = "sha256:df3bac3df4c2c01363f3dd2cfa78cce2840a79b9f1c2d2de9ce8d31683992f52"},
+    {file = "snowballstemmer-2.1.0-py2.py3-none-any.whl", hash = "sha256:b51b447bea85f9968c13b650126a888aabd4cb4463fca868ec596826325dedc2"},
+    {file = "snowballstemmer-2.1.0.tar.gz", hash = "sha256:e997baa4f2e9139951b6f4c631bad912dfd3c792467e2f03d7239464af90e914"},
 ]
 testfixtures = [
-    {file = "testfixtures-6.15.0-py2.py3-none-any.whl", hash = "sha256:e17f4f526fc90b0ac9bc7f8ca62b7dec17d9faf3d721f56bda4f0fd94d02f85a"},
-    {file = "testfixtures-6.15.0.tar.gz", hash = "sha256:409f77cfbdad822d12a8ce5c4aa8fb4d0bb38073f4a5444fede3702716a2cec2"},
+    {file = "testfixtures-6.17.1-py2.py3-none-any.whl", hash = "sha256:9ed31e83f59619e2fa17df053b241e16e0608f4580f7b5a9333a0c9bdcc99137"},
+    {file = "testfixtures-6.17.1.tar.gz", hash = "sha256:5ec3a0dd6f71cc4c304fbc024a10cc293d3e0b852c868014b9f233203e149bda"},
 ]
 tokenize-rt = [
-    {file = "tokenize_rt-4.0.0-py2.py3-none-any.whl", hash = "sha256:c47d3bd00857c24edefccdd6dc99c19d4ceed77c5971a3e2fac007fb0c02e39d"},
-    {file = "tokenize_rt-4.0.0.tar.gz", hash = "sha256:07d5f88b6a953612159b160129bcf9425677c8d062b0cb83250968ba803e1c64"},
+    {file = "tokenize_rt-4.1.0-py2.py3-none-any.whl", hash = "sha256:b37251fa28c21e8cce2e42f7769a35fba2dd2ecafb297208f9a9a8add3ca7793"},
+    {file = "tokenize_rt-4.1.0.tar.gz", hash = "sha256:ab339b5ff829eb5e198590477f9c03c84e762b3e455e74c018956e7e326cbc70"},
 ]
 toml = [
     {file = "toml-0.10.2-py2.py3-none-any.whl", hash = "sha256:806143ae5bfb6a3c6e736a764057db0e6a0e05e338b5630894a5f779cabb4f9b"},
     {file = "toml-0.10.2.tar.gz", hash = "sha256:b3bda1d108d5dd99f4a20d24d9c348e91c4db7ab1b749200bded2f839ccbe68f"},
 ]
+typing-extensions = [
+    {file = "typing_extensions-3.10.0.0-py2-none-any.whl", hash = "sha256:0ac0f89795dd19de6b97debb0c6af1c70987fd80a2d62d1958f7e56fcc31b497"},
+    {file = "typing_extensions-3.10.0.0-py3-none-any.whl", hash = "sha256:779383f6086d90c99ae41cf0ff39aac8a7937a9283ce0a414e5dd782f4c94a84"},
+    {file = "typing_extensions-3.10.0.0.tar.gz", hash = "sha256:50b6f157849174217d0656f99dc82fe932884fb250826c18350e159ec6cdf342"},
+]
 unify = [
     {file = "unify-0.5.tar.gz", hash = "sha256:8ddce812b2457212b7598fe574c9e6eb3ad69710f445391338270c7f8a71723c"},
 ]
@@ -946,12 +999,12 @@ untokenize = [
     {file = "untokenize-0.1.1.tar.gz", hash = "sha256:3865dbbbb8efb4bb5eaa72f1be7f3e0be00ea8b7f125c69cbd1f5fda926f37a2"},
 ]
 urllib3 = [
-    {file = "urllib3-1.26.2-py2.py3-none-any.whl", hash = "sha256:d8ff90d979214d7b4f8ce956e80f4028fc6860e4431f731ea4a8c08f23f99473"},
-    {file = "urllib3-1.26.2.tar.gz", hash = "sha256:19188f96923873c92ccb987120ec4acaa12f0461fa9ce5d3d0772bc965a39e08"},
+    {file = "urllib3-1.26.5-py2.py3-none-any.whl", hash = "sha256:753a0374df26658f99d826cfe40394a686d05985786d946fbe4165b5148f5a7c"},
+    {file = "urllib3-1.26.5.tar.gz", hash = "sha256:a7acd0977125325f516bda9735fa7142b909a8d01e8b2e4c8108d0984e6e0098"},
 ]
 virtualenv = [
-    {file = "virtualenv-20.2.1-py2.py3-none-any.whl", hash = "sha256:07cff122e9d343140366055f31be4dcd61fd598c69d11cd33a9d9c8df4546dd7"},
-    {file = "virtualenv-20.2.1.tar.gz", hash = "sha256:e0aac7525e880a429764cefd3aaaff54afb5d9f25c82627563603f5d7de5a6e5"},
+    {file = "virtualenv-20.4.7-py2.py3-none-any.whl", hash = "sha256:2b0126166ea7c9c3661f5b8e06773d28f83322de7a3ff7d06f0aed18c9de6a76"},
+    {file = "virtualenv-20.4.7.tar.gz", hash = "sha256:14fdf849f80dbb29a4eb6caa9875d476ee2a5cf76a5f5415fa2f1606010ab467"},
 ]
 wrapt = [
     {file = "wrapt-1.12.1.tar.gz", hash = "sha256:b62ffa81fb85f4332a4f609cab4ac40709470da05643a082ec1eb88e6d9b97d7"},
diff --git a/pyproject.toml b/pyproject.toml
index 2841646..c2c0a47 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -14,27 +14,27 @@ pydantic = "^1.7.1"
 
 [tool.poetry.dev-dependencies]
 pytest = "^6.2.4"
-pytest-asyncio = "^0.14.0"
+pytest-asyncio = "^0.15.1"
 devtools = "^0.6.1"
 pytest-mock = "^3.6.1"
-isort = "^5.6.4"
+isort = "^5.8.0"
 invoke = "^1.4.1"
-flakehell = "^0.7.0"
+flakehell = "^0.9.0"
 autoflake = "^1.4"
 mccabe = "^0.6.1"
 pycodestyle = "^2.6.0"
 pyflakes = "^2.2.0"
 pytest-cov = "^2.10.1"
-flake8-pytest-style = "^1.3.0"
+flake8-pytest-style = "^1.4.2"
 flake8-fixme = "^1.1.1"
 flake8-isort = "^4.0.0"
 flake8-docstrings = "^1.5.0"
 flake8-markdown = "^0.2.0"
-pre-commit = "^2.8.2"
+pre-commit = "^2.13.0"
 pydocstyle = "^5.1.1"
 flake8-commas = "^2.0.0"
 autopep8 = "^1.5.4"
-add-trailing-comma = "^2.0.1"
+add-trailing-comma = "^2.1.0"
 pyformat = "^0.7"
 pylint = "^2.6.0"
 flake8-quotes = "^3.2.0"