diff --git a/poetry.lock b/poetry.lock
index 4a6c9de..8d57d0a 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1,27 +1,26 @@
 [[package]]
-category = "dev"
-description = "A small Python module for determining appropriate platform-specific dirs, e.g. a \"user data dir\"."
 name = "appdirs"
+version = "1.4.3"
+description = "A small Python module for determining appropriate platform-specific dirs, e.g. a \"user data dir\"."
+category = "dev"
 optional = false
 python-versions = "*"
-version = "1.4.3"
 
 [[package]]
-category = "dev"
-description = "Atomic file writes."
-marker = "sys_platform == \"win32\""
 name = "atomicwrites"
+version = "1.3.0"
+description = "Atomic file writes."
+category = "dev"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "1.3.0"
 
 [[package]]
-category = "dev"
-description = "Classes Without Boilerplate"
 name = "attrs"
+version = "19.1.0"
+description = "Classes Without Boilerplate"
+category = "dev"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "19.1.0"
 
 [package.extras]
 dev = ["coverage", "hypothesis", "pympler", "pytest", "six", "zope.interface", "sphinx", "pre-commit"]
@@ -29,12 +28,12 @@ docs = ["sphinx", "zope.interface"]
 tests = ["coverage", "hypothesis", "pympler", "pytest", "six", "zope.interface"]
 
 [[package]]
-category = "dev"
-description = "The uncompromising code formatter."
 name = "black"
+version = "19.10b0"
+description = "The uncompromising code formatter."
+category = "dev"
 optional = false
 python-versions = ">=3.6"
-version = "19.10b0"
 
 [package.dependencies]
 appdirs = "*"
@@ -49,62 +48,60 @@ typed-ast = ">=1.4.0"
 d = ["aiohttp (>=3.3.2)", "aiohttp-cors"]
 
 [[package]]
-category = "dev"
-description = "Python package for providing Mozilla's CA Bundle."
 name = "certifi"
+version = "2019.9.11"
+description = "Python package for providing Mozilla's CA Bundle."
+category = "dev"
 optional = false
 python-versions = "*"
-version = "2019.9.11"
 
 [[package]]
-category = "dev"
-description = "Universal encoding detector for Python 2 and 3"
 name = "chardet"
+version = "3.0.4"
+description = "Universal encoding detector for Python 2 and 3"
+category = "dev"
 optional = false
 python-versions = "*"
-version = "3.0.4"
 
 [[package]]
-category = "dev"
-description = "Composable command line interface toolkit"
 name = "click"
+version = "7.0"
+description = "Composable command line interface toolkit"
+category = "dev"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "7.0"
 
 [[package]]
-category = "dev"
-description = "Cross-platform colored terminal text."
-marker = "sys_platform == \"win32\""
 name = "colorama"
+version = "0.4.1"
+description = "Cross-platform colored terminal text."
+category = "dev"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "0.4.1"
 
 [[package]]
-category = "dev"
-description = "Code coverage measurement for Python"
 name = "coverage"
+version = "4.5.4"
+description = "Code coverage measurement for Python"
+category = "dev"
 optional = false
 python-versions = ">=2.6, !=3.0.*, !=3.1.*, !=3.2.*, <4"
-version = "4.5.4"
 
 [[package]]
-category = "main"
-description = "A backport of the dataclasses module for Python 3.6"
-marker = "python_version < \"3.7\""
 name = "dataclasses"
+version = "0.6"
+description = "A backport of the dataclasses module for Python 3.6"
+category = "main"
 optional = false
 python-versions = "*"
-version = "0.6"
 
 [[package]]
-category = "dev"
-description = "Deep Difference and Search of any Python object/data."
 name = "deepdiff"
+version = "4.3.2"
+description = "Deep Difference and Search of any Python object/data."
+category = "dev"
 optional = false
 python-versions = ">=3.5"
-version = "4.3.2"
 
 [package.dependencies]
 ordered-set = ">=3.1.1"
@@ -113,20 +110,20 @@ ordered-set = ">=3.1.1"
 murmur = ["mmh3"]
 
 [[package]]
-category = "dev"
-description = "Discover and load entry points from installed packages."
 name = "entrypoints"
+version = "0.3"
+description = "Discover and load entry points from installed packages."
+category = "dev"
 optional = false
 python-versions = ">=2.7"
-version = "0.3"
 
 [[package]]
-category = "dev"
-description = "the modular source code checker: pep8, pyflakes and co"
 name = "flake8"
+version = "3.7.9"
+description = "the modular source code checker: pep8, pyflakes and co"
+category = "dev"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "3.7.9"
 
 [package.dependencies]
 entrypoints = ">=0.3.0,<0.4.0"
@@ -135,21 +132,20 @@ pycodestyle = ">=2.5.0,<2.6.0"
 pyflakes = ">=2.1.0,<2.2.0"
 
 [[package]]
-category = "dev"
-description = "Internationalized Domain Names in Applications (IDNA)"
 name = "idna"
+version = "2.8"
+description = "Internationalized Domain Names in Applications (IDNA)"
+category = "dev"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "2.8"
 
 [[package]]
-category = "dev"
-description = "Read metadata from Python packages"
-marker = "python_version < \"3.8\""
 name = "importlib-metadata"
+version = "0.23"
+description = "Read metadata from Python packages"
+category = "dev"
 optional = false
 python-versions = ">=2.7,!=3.0,!=3.1,!=3.2,!=3.3"
-version = "0.23"
 
 [package.dependencies]
 zipp = ">=0.5"
@@ -159,20 +155,20 @@ docs = ["sphinx", "rst.linker"]
 testing = ["packaging", "importlib-resources"]
 
 [[package]]
-category = "dev"
-description = "iniconfig: brain-dead simple config-ini parsing"
 name = "iniconfig"
+version = "1.0.1"
+description = "iniconfig: brain-dead simple config-ini parsing"
+category = "dev"
 optional = false
 python-versions = "*"
-version = "1.0.1"
 
 [[package]]
-category = "dev"
-description = "A Python utility / library to sort Python imports."
 name = "isort"
+version = "4.3.21"
+description = "A Python utility / library to sort Python imports."
+category = "dev"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "4.3.21"
 
 [package.extras]
 pipfile = ["pipreqs", "requirementslib"]
@@ -181,37 +177,36 @@ requirements = ["pipreqs", "pip-api"]
 xdg_home = ["appdirs (>=1.4.0)"]
 
 [[package]]
-category = "dev"
-description = "McCabe checker, plugin for flake8"
 name = "mccabe"
+version = "0.6.1"
+description = "McCabe checker, plugin for flake8"
+category = "dev"
 optional = false
 python-versions = "*"
-version = "0.6.1"
 
 [[package]]
-category = "dev"
-description = "More routines for operating on iterables, beyond itertools"
-marker = "python_version < \"3.8\""
 name = "more-itertools"
+version = "7.2.0"
+description = "More routines for operating on iterables, beyond itertools"
+category = "dev"
 optional = false
 python-versions = ">=3.4"
-version = "7.2.0"
 
 [[package]]
-category = "dev"
-description = "multidict implementation"
 name = "multidict"
+version = "4.5.2"
+description = "multidict implementation"
+category = "dev"
 optional = false
 python-versions = ">=3.4.1"
-version = "4.5.2"
 
 [[package]]
-category = "dev"
-description = "Optional static typing for Python"
 name = "mypy"
+version = "0.782"
+description = "Optional static typing for Python"
+category = "dev"
 optional = false
 python-versions = ">=3.5"
-version = "0.782"
 
 [package.dependencies]
 mypy-extensions = ">=0.4.3,<0.5.0"
@@ -222,85 +217,81 @@ typing-extensions = ">=3.7.4"
 dmypy = ["psutil (>=4.0)"]
 
 [[package]]
-category = "dev"
-description = "Experimental type system extensions for programs checked with the mypy typechecker."
 name = "mypy-extensions"
+version = "0.4.3"
+description = "Experimental type system extensions for programs checked with the mypy typechecker."
+category = "dev"
 optional = false
 python-versions = "*"
-version = "0.4.3"
 
 [[package]]
-category = "dev"
-description = "A MutableSet that remembers its order, so that every entry has an index."
 name = "ordered-set"
+version = "3.1.1"
+description = "A MutableSet that remembers its order, so that every entry has an index."
+category = "dev"
 optional = false
 python-versions = ">=2.7"
-version = "3.1.1"
 
 [[package]]
-category = "dev"
-description = "Core utilities for Python packages"
 name = "packaging"
+version = "19.2"
+description = "Core utilities for Python packages"
+category = "dev"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "19.2"
 
 [package.dependencies]
 pyparsing = ">=2.0.2"
 six = "*"
 
 [[package]]
-category = "dev"
-description = "Utility library for gitignore style pattern matching of file paths."
 name = "pathspec"
+version = "0.6.0"
+description = "Utility library for gitignore style pattern matching of file paths."
+category = "dev"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "0.6.0"
 
 [[package]]
-category = "dev"
-description = "plugin and hook calling mechanisms for python"
 name = "pluggy"
+version = "0.13.0"
+description = "plugin and hook calling mechanisms for python"
+category = "dev"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "0.13.0"
 
 [package.dependencies]
-[package.dependencies.importlib-metadata]
-python = "<3.8"
-version = ">=0.12"
+importlib-metadata = {version = ">=0.12", markers = "python_version < \"3.8\""}
 
 [package.extras]
 dev = ["pre-commit", "tox"]
 
 [[package]]
-category = "dev"
-description = "library with cross-python path, ini-parsing, io, code, log facilities"
 name = "py"
+version = "1.9.0"
+description = "library with cross-python path, ini-parsing, io, code, log facilities"
+category = "dev"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "1.9.0"
 
 [[package]]
-category = "dev"
-description = "Python style guide checker"
 name = "pycodestyle"
+version = "2.5.0"
+description = "Python style guide checker"
+category = "dev"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "2.5.0"
 
 [[package]]
-category = "main"
-description = "Data validation and settings management using python 3.6 type hinting"
 name = "pydantic"
+version = "1.6.1"
+description = "Data validation and settings management using python 3.6 type hinting"
+category = "main"
 optional = false
 python-versions = ">=3.6"
-version = "1.6.1"
 
 [package.dependencies]
-[package.dependencies.dataclasses]
-python = "<3.7"
-version = ">=0.6"
+dataclasses = {version = ">=0.6", markers = "python_version < \"3.7\""}
 
 [package.extras]
 dotenv = ["python-dotenv (>=0.10.4)"]
@@ -308,69 +299,66 @@ email = ["email-validator (>=1.0.3)"]
 typing_extensions = ["typing-extensions (>=3.7.2)"]
 
 [[package]]
-category = "dev"
-description = "passive checker of Python programs"
 name = "pyflakes"
+version = "2.1.1"
+description = "passive checker of Python programs"
+category = "dev"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "2.1.1"
 
 [[package]]
-category = "dev"
-description = "Python parsing module"
 name = "pyparsing"
+version = "2.4.2"
+description = "Python parsing module"
+category = "dev"
 optional = false
 python-versions = ">=2.6, !=3.0.*, !=3.1.*, !=3.2.*"
-version = "2.4.2"
 
 [[package]]
-category = "dev"
-description = "pytest: simple powerful testing with Python"
 name = "pytest"
+version = "6.1.1"
+description = "pytest: simple powerful testing with Python"
+category = "dev"
 optional = false
 python-versions = ">=3.5"
-version = "6.1.1"
 
 [package.dependencies]
-atomicwrites = ">=1.0"
+atomicwrites = {version = ">=1.0", markers = "sys_platform == \"win32\""}
 attrs = ">=17.4.0"
-colorama = "*"
+colorama = {version = "*", markers = "sys_platform == \"win32\""}
+importlib-metadata = {version = ">=0.12", markers = "python_version < \"3.8\""}
 iniconfig = "*"
 packaging = "*"
 pluggy = ">=0.12,<1.0"
 py = ">=1.8.2"
 toml = "*"
 
-[package.dependencies.importlib-metadata]
-python = "<3.8"
-version = ">=0.12"
-
 [package.extras]
-checkqa_mypy = ["mypy (0.780)"]
+checkqa_mypy = ["mypy (==0.780)"]
 testing = ["argcomplete", "hypothesis (>=3.56)", "mock", "nose", "requests", "xmlschema"]
 
 [[package]]
-category = "dev"
-description = "Pytest plugin for measuring coverage."
 name = "pytest-cov"
+version = "2.8.1"
+description = "Pytest plugin for measuring coverage."
+category = "dev"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "2.8.1"
 
 [package.dependencies]
 coverage = ">=4.4"
 pytest = ">=3.6"
 
 [package.extras]
-testing = ["fields", "hunter", "process-tests (2.0.2)", "six", "virtualenv"]
+testing = ["fields", "hunter", "process-tests (==2.0.2)", "six", "virtualenv"]
 
 [[package]]
-category = "dev"
-description = "Thin-wrapper around the mock package for easier use with pytest"
 name = "pytest-mock"
+version = "3.4.0"
+description = "Thin-wrapper around the mock package for easier use with pytest"
+category = "dev"
 optional = false
 python-versions = ">=3.5"
-version = "3.3.0"
 
 [package.dependencies]
 pytest = ">=5.0"
@@ -379,20 +367,20 @@ pytest = ">=5.0"
 dev = ["pre-commit", "tox", "pytest-asyncio"]
 
 [[package]]
-category = "dev"
-description = "Alternative regular expression module, to replace re."
 name = "regex"
+version = "2019.11.1"
+description = "Alternative regular expression module, to replace re."
+category = "dev"
 optional = false
 python-versions = "*"
-version = "2019.11.1"
 
 [[package]]
-category = "dev"
-description = "Python HTTP for Humans."
 name = "requests"
+version = "2.22.0"
+description = "Python HTTP for Humans."
+category = "dev"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
-version = "2.22.0"
 
 [package.dependencies]
 certifi = ">=2017.4.17"
@@ -402,15 +390,15 @@ urllib3 = ">=1.21.1,<1.25.0 || >1.25.0,<1.25.1 || >1.25.1,<1.26"
 
 [package.extras]
 security = ["pyOpenSSL (>=0.14)", "cryptography (>=1.3.4)", "idna (>=2.0.0)"]
-socks = ["PySocks (>=1.5.6,<1.5.7 || >1.5.7)", "win-inet-pton"]
+socks = ["PySocks (>=1.5.6,!=1.5.7)", "win-inet-pton"]
 
 [[package]]
-category = "dev"
-description = "Mock out responses from the requests package"
 name = "requests-mock"
+version = "1.8.0"
+description = "Mock out responses from the requests package"
+category = "dev"
 optional = false
 python-versions = "*"
-version = "1.8.0"
 
 [package.dependencies]
 requests = ">=2.3,<3"
@@ -421,85 +409,81 @@ fixture = ["fixtures"]
 test = ["fixtures", "mock", "purl", "pytest", "sphinx", "testrepository (>=0.0.18)", "testtools"]
 
 [[package]]
-category = "dev"
-description = "Python 2 and 3 compatibility utilities"
 name = "six"
+version = "1.12.0"
+description = "Python 2 and 3 compatibility utilities"
+category = "dev"
 optional = false
 python-versions = ">=2.6, !=3.0.*, !=3.1.*"
-version = "1.12.0"
 
 [[package]]
-category = "dev"
-description = "Python Library for Tom's Obvious, Minimal Language"
 name = "toml"
+version = "0.10.0"
+description = "Python Library for Tom's Obvious, Minimal Language"
+category = "dev"
 optional = false
 python-versions = "*"
-version = "0.10.0"
 
 [[package]]
-category = "dev"
-description = "a fork of Python 2 and 3 ast modules with type comment support"
 name = "typed-ast"
+version = "1.4.0"
+description = "a fork of Python 2 and 3 ast modules with type comment support"
+category = "dev"
 optional = false
 python-versions = "*"
-version = "1.4.0"
 
 [[package]]
-category = "dev"
-description = "Type Hints for Python"
 name = "typing"
+version = "3.7.4.1"
+description = "Type Hints for Python"
+category = "dev"
 optional = false
 python-versions = "*"
-version = "3.7.4.1"
 
 [[package]]
-category = "dev"
-description = "Backported and Experimental Type Hints for Python 3.5+"
 name = "typing-extensions"
+version = "3.7.4"
+description = "Backported and Experimental Type Hints for Python 3.5+"
+category = "dev"
 optional = false
 python-versions = "*"
-version = "3.7.4"
 
 [package.dependencies]
 typing = ">=3.7.4"
 
 [[package]]
-category = "dev"
-description = "HTTP library with thread-safe connection pooling, file post, and more."
 name = "urllib3"
+version = "1.25.6"
+description = "HTTP library with thread-safe connection pooling, file post, and more."
+category = "dev"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, <4"
-version = "1.25.6"
 
 [package.extras]
 brotli = ["brotlipy (>=0.6.0)"]
 secure = ["pyOpenSSL (>=0.14)", "cryptography (>=1.3.4)", "idna (>=2.0.0)", "certifi", "ipaddress"]
-socks = ["PySocks (>=1.5.6,<1.5.7 || >1.5.7,<2.0)"]
+socks = ["PySocks (>=1.5.6,!=1.5.7,<2.0)"]
 
 [[package]]
-category = "dev"
-description = "Yet another URL library"
 name = "yarl"
+version = "1.5.1"
+description = "Yet another URL library"
+category = "dev"
 optional = false
 python-versions = ">=3.5"
-version = "1.5.1"
 
 [package.dependencies]
 idna = ">=2.0"
 multidict = ">=4.0"
-
-[package.dependencies.typing-extensions]
-python = "<3.8"
-version = ">=3.7.4"
+typing-extensions = {version = ">=3.7.4", markers = "python_version < \"3.8\""}
 
 [[package]]
-category = "dev"
-description = "Backport of pathlib-compatible object wrapper for zip files"
-marker = "python_version < \"3.8\""
 name = "zipp"
+version = "0.6.0"
+description = "Backport of pathlib-compatible object wrapper for zip files"
+category = "dev"
 optional = false
 python-versions = ">=2.7"
-version = "0.6.0"
 
 [package.dependencies]
 more-itertools = "*"
@@ -509,9 +493,9 @@ docs = ["sphinx", "jaraco.packaging (>=3.2)", "rst.linker (>=1.9)"]
 testing = ["pathlib2", "contextlib2", "unittest2"]
 
 [metadata]
-content-hash = "10fc654b3336c7940ff43c838fd6bf9c5b4ebd4c99e960928fe25ba7ad00a471"
-lock-version = "1.0"
+lock-version = "1.1"
 python-versions = "^3.6"
+content-hash = "00378fd466f68264a8b8980076144c7d36b4588b0b2a43f43c1a53eda0891860"
 
 [metadata.files]
 appdirs = [
@@ -729,8 +713,8 @@ pytest-cov = [
     {file = "pytest_cov-2.8.1-py2.py3-none-any.whl", hash = "sha256:cdbdef4f870408ebdbfeb44e63e07eb18bb4619fae852f6e760645fa36172626"},
 ]
 pytest-mock = [
-    {file = "pytest-mock-3.3.0.tar.gz", hash = "sha256:1d146a6e798b9e6322825e207b4e0544635e679b69253e6e01a221f45945d2f6"},
-    {file = "pytest_mock-3.3.0-py3-none-any.whl", hash = "sha256:0061f9e8f14b77d0f3915a00f18b1b71f07da3c8bd66994e42ee91537681a76e"},
+    {file = "pytest-mock-3.4.0.tar.gz", hash = "sha256:c3981f5edee6c4d1942250a60d9b39d38d5585398de1bfce057f925bdda720f4"},
+    {file = "pytest_mock-3.4.0-py3-none-any.whl", hash = "sha256:c0fc979afac4aaba545cbd01e9c20736eb3fefb0a066558764b07d3de8f04ed3"},
 ]
 regex = [
     {file = "regex-2019.11.1-cp27-none-win32.whl", hash = "sha256:604dc563a02a74d70ae1f55208ddc9bfb6d9f470f6d1a5054c4bd5ae58744ab1"},
diff --git a/pyproject.toml b/pyproject.toml
index b7513d2..0b174b1 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -86,7 +86,7 @@ requests-mock = "*"
 yarl = "*"
 mypy = "*"
 deepdiff = "^4.3"
-pytest-mock = "^3.3"
+pytest-mock = "^3.4"
 
 [tool.poetry.scripts]
 coub-oauth2-server = "console.dummy_oauth2_server:main"