diff --git a/poetry.lock b/poetry.lock
index 673272c..4a03609 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -90,9 +90,9 @@ optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
 
 [package.extras]
-redis = ["redis (>=3.3.6,<4.0.0)"]
-memcached = ["python-memcached (>=1.59,<2.0)"]
 msgpack = ["msgpack-python (>=0.5,<0.6)"]
+memcached = ["python-memcached (>=1.59,<2.0)"]
+redis = ["redis (>=3.3.6,<4.0.0)"]
 
 [[package]]
 name = "certifi"
@@ -145,7 +145,7 @@ python-versions = ">=3.6"
 importlib-metadata = {version = "*", markers = "python_version < \"3.8\""}
 
 [package.extras]
-testing = ["sphinx", "flake8", "pytest", "pytest-cov", "pytest-virtualenv", "pytest-xdist"]
+testing = ["pytest-xdist", "pytest-virtualenv", "pytest-cov", "pytest", "flake8", "sphinx"]
 
 [[package]]
 name = "contextvars"
@@ -197,10 +197,10 @@ optional = false
 python-versions = "*"
 
 [package.extras]
-all = ["Sphinx (>=3)", "sphinx-rtd-theme (>=0.2)", "check-manifest (>=0.42)", "mock (>=1.3.0)", "pytest-cov (>=2.10.1)", "pytest-isort (>=1.2.0)", "sphinx (>=3)", "tox (>=3.7.0)", "numpy (>=1.13.0)", "numpy (>=1.15.0)", "numpy (>=1.18.0)", "pytest (==5.4.3)", "pytest-pycodestyle (>=2)", "pytest-pydocstyle (>=2)", "pytest (>=6)", "pytest-pycodestyle (>=2.2.0)", "pytest-pydocstyle (>=2.2.0)", "numpy (>=1.20.0)"]
-docs = ["Sphinx (>=3)", "sphinx-rtd-theme (>=0.2)"]
-numpy = ["numpy (>=1.13.0)", "numpy (>=1.15.0)", "numpy (>=1.18.0)", "numpy (>=1.20.0)"]
-tests = ["check-manifest (>=0.42)", "mock (>=1.3.0)", "pytest-cov (>=2.10.1)", "pytest-isort (>=1.2.0)", "sphinx (>=3)", "tox (>=3.7.0)", "pytest (==5.4.3)", "pytest-pycodestyle (>=2)", "pytest-pydocstyle (>=2)", "pytest (>=6)", "pytest-pycodestyle (>=2.2.0)", "pytest-pydocstyle (>=2.2.0)"]
+tests = ["pytest-pydocstyle (>=2.2.0)", "pytest-pycodestyle (>=2.2.0)", "pytest (>=6)", "pytest-pydocstyle (>=2)", "pytest-pycodestyle (>=2)", "pytest (==5.4.3)", "tox (>=3.7.0)", "sphinx (>=3)", "pytest-isort (>=1.2.0)", "pytest-cov (>=2.10.1)", "mock (>=1.3.0)", "check-manifest (>=0.42)"]
+numpy = ["numpy (>=1.20.0)", "numpy (>=1.18.0)", "numpy (>=1.15.0)", "numpy (>=1.13.0)"]
+docs = ["sphinx-rtd-theme (>=0.2)", "Sphinx (>=3)"]
+all = ["numpy (>=1.20.0)", "pytest-pydocstyle (>=2.2.0)", "pytest-pycodestyle (>=2.2.0)", "pytest (>=6)", "pytest-pydocstyle (>=2)", "pytest-pycodestyle (>=2)", "pytest (==5.4.3)", "numpy (>=1.18.0)", "numpy (>=1.15.0)", "numpy (>=1.13.0)", "tox (>=3.7.0)", "sphinx (>=3)", "pytest-isort (>=1.2.0)", "pytest-cov (>=2.10.1)", "mock (>=1.3.0)", "check-manifest (>=0.42)", "sphinx-rtd-theme (>=0.2)", "Sphinx (>=3)"]
 
 [[package]]
 name = "doc8"
@@ -773,8 +773,8 @@ 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 = "py"
@@ -881,7 +881,7 @@ coverage = {version = ">=5.2.1", extras = ["toml"]}
 pytest = ">=4.6"
 
 [package.extras]
-testing = ["fields", "hunter", "process-tests", "six", "pytest-xdist", "virtualenv"]
+testing = ["virtualenv", "pytest-xdist", "six", "process-tests", "hunter", "fields"]
 
 [[package]]
 name = "pytest-randomly"
@@ -1078,8 +1078,8 @@ optional = false
 python-versions = ">=3.5"
 
 [package.extras]
-lint = ["flake8", "mypy", "docutils-stubs"]
 test = ["pytest"]
+lint = ["docutils-stubs", "mypy", "flake8"]
 
 [[package]]
 name = "sphinxcontrib-devhelp"
@@ -1090,8 +1090,8 @@ optional = false
 python-versions = ">=3.5"
 
 [package.extras]
-lint = ["flake8", "mypy", "docutils-stubs"]
 test = ["pytest"]
+lint = ["docutils-stubs", "mypy", "flake8"]
 
 [[package]]
 name = "sphinxcontrib-htmlhelp"
@@ -1102,8 +1102,8 @@ optional = false
 python-versions = ">=3.6"
 
 [package.extras]
-lint = ["flake8", "mypy", "docutils-stubs"]
-test = ["pytest", "html5lib"]
+test = ["html5lib", "pytest"]
+lint = ["docutils-stubs", "mypy", "flake8"]
 
 [[package]]
 name = "sphinxcontrib-jsmath"
@@ -1114,7 +1114,7 @@ optional = false
 python-versions = ">=3.5"
 
 [package.extras]
-test = ["pytest", "flake8", "mypy"]
+test = ["mypy", "flake8", "pytest"]
 
 [[package]]
 name = "sphinxcontrib-qthelp"
@@ -1125,8 +1125,8 @@ optional = false
 python-versions = ">=3.5"
 
 [package.extras]
-lint = ["flake8", "mypy", "docutils-stubs"]
 test = ["pytest"]
+lint = ["docutils-stubs", "mypy", "flake8"]
 
 [[package]]
 name = "sphinxcontrib-serializinghtml"
@@ -1137,8 +1137,8 @@ optional = false
 python-versions = ">=3.5"
 
 [package.extras]
-lint = ["flake8", "mypy", "docutils-stubs"]
 test = ["pytest"]
+lint = ["docutils-stubs", "mypy", "flake8"]
 
 [[package]]
 name = "stevedore"
@@ -1191,11 +1191,11 @@ python-versions = ">=3.6"
 
 [[package]]
 name = "tomlkit"
-version = "0.7.2"
+version = "0.11.3"
 description = "Style preserving TOML library"
 category = "dev"
 optional = false
-python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
+python-versions = ">=3.6,<4.0"
 
 [[package]]
 name = "typed-ast"
@@ -1265,7 +1265,7 @@ optional = false
 python-versions = ">=3.5"
 
 [package.extras]
-dev = ["pytest (>=4.6.2)", "black (>=19.3b0)"]
+dev = ["black (>=19.3b0)", "pytest (>=4.6.2)"]
 
 [[package]]
 name = "zipp"
@@ -1282,7 +1282,7 @@ testing = ["pytest (>=4.6)", "pytest-checkdocs (>=2.4)", "pytest-flake8", "pytes
 [metadata]
 lock-version = "1.1"
 python-versions = "^3.6"
-content-hash = "58f42add1d8304d3155745c00202ada2209279b43e8b83ffd7c787b536c8dc4d"
+content-hash = "445046ce551a901c38320df85d58bbd7684bef2c996f0986baebd82260a47f27"
 
 [metadata.files]
 aiocontextvars = [
@@ -1915,8 +1915,8 @@ tomli = [
     {file = "tomli-1.2.2.tar.gz", hash = "sha256:c6ce0015eb38820eaf32b5db832dbc26deb3dd427bd5f6556cf0acac2c214fee"},
 ]
 tomlkit = [
-    {file = "tomlkit-0.7.2-py2.py3-none-any.whl", hash = "sha256:173ad840fa5d2aac140528ca1933c29791b79a374a0861a80347f42ec9328117"},
-    {file = "tomlkit-0.7.2.tar.gz", hash = "sha256:d7a454f319a7e9bd2e249f239168729327e4dd2d27b17dc68be264ad1ce36754"},
+    {file = "tomlkit-0.11.3-py3-none-any.whl", hash = "sha256:800628e7705ff7c7cc4395c29836c7073e55b9ec820e1fc696080f9c5591a789"},
+    {file = "tomlkit-0.11.3.tar.gz", hash = "sha256:0ace4c975e0f3e6f71be8a2d61fe568777f1634bc80abff642cd3323ce709a0d"},
 ]
 typed-ast = [
     {file = "typed_ast-1.4.3-cp35-cp35m-manylinux1_i686.whl", hash = "sha256:2068531575a125b87a41802130fa7e29f26c09a2833fea68d9a40cf33902eba6"},
diff --git a/pyproject.toml b/pyproject.toml
index f36313f..eab29d2 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -49,4 +49,4 @@ sphinx = "^4.3.1"
 sphinx-autodoc-typehints = "^1.12"
 doc8 = "^0.10"
 m2r2 = "^0.3"
-tomlkit = "^0.7"
+tomlkit = "^0.11"