Drop support for EOL Python 3.5, 3.6, add 3.9, 3.10

We need to bump the pytest dependency to get a version that is
compatible with Python 3.10.

Signed-off-by: Stephen Finucane <stephen@that.guru>

3 files changed, 108 insertions, 85 deletions

diff --git a/poetry.lock b/poetry.lock
index c1a92d4..e080ff1 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -30,11 +30,17 @@ python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
 
 [[package]]
 name = "coverage"
-version = "4.5.4"
+version = "6.4.1"
 description = "Code coverage measurement for Python"
 category = "dev"
 optional = false
-python-versions = ">=2.6, !=3.0.*, !=3.1.*, !=3.2.*, <4"
+python-versions = ">=3.7"
+
+[package.dependencies]
+tomli = {version = "*", optional = true, markers = "python_full_version <= \"3.11.0a6\" and extra == \"toml\""}
+
+[package.extras]
+toml = ["tomli"]
 
 [[package]]
 name = "importlib-metadata"
@@ -52,6 +58,14 @@ docs = ["sphinx", "rst.linker"]
 testing = ["packaging", "importlib-resources"]
 
 [[package]]
+name = "iniconfig"
+version = "1.1.1"
+description = "iniconfig: brain-dead simple config-ini parsing"
+category = "dev"
+optional = false
+python-versions = "*"
+
+[[package]]
 name = "jsonpatch"
 version = "1.24"
 description = "Apply JSON-Patches (RFC 6902)"
@@ -108,17 +122,6 @@ pyparsing = ">=2.0.2"
 six = "*"
 
 [[package]]
-name = "pathlib2"
-version = "2.3.5"
-description = "Object-oriented filesystem paths"
-category = "dev"
-optional = false
-python-versions = "*"
-
-[package.dependencies]
-six = "*"
-
-[[package]]
 name = "pluggy"
 version = "0.13.1"
 description = "plugin and hook calling mechanisms for python"
@@ -134,11 +137,11 @@ dev = ["pre-commit", "tox"]
 
 [[package]]
 name = "py"
-version = "1.8.0"
+version = "1.11.0"
 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.*"
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
 
 [[package]]
 name = "pyparsing"
@@ -161,41 +164,40 @@ six = "*"
 
 [[package]]
 name = "pytest"
-version = "5.3.1"
+version = "6.2.5"
 description = "pytest: simple powerful testing with Python"
 category = "dev"
 optional = false
-python-versions = ">=3.5"
+python-versions = ">=3.6"
 
 [package.dependencies]
 atomicwrites = {version = ">=1.0", markers = "sys_platform == \"win32\""}
-attrs = ">=17.4.0"
+attrs = ">=19.2.0"
 colorama = {version = "*", markers = "sys_platform == \"win32\""}
 importlib-metadata = {version = ">=0.12", markers = "python_version < \"3.8\""}
-more-itertools = ">=4.0.0"
+iniconfig = "*"
 packaging = "*"
-pathlib2 = {version = ">=2.2.0", markers = "python_version < \"3.6\""}
-pluggy = ">=0.12,<1.0"
-py = ">=1.5.0"
-wcwidth = "*"
+pluggy = ">=0.12,<2.0"
+py = ">=1.8.2"
+toml = "*"
 
 [package.extras]
 testing = ["argcomplete", "hypothesis (>=3.56)", "mock", "nose", "requests", "xmlschema"]
 
 [[package]]
 name = "pytest-cov"
-version = "2.8.1"
+version = "3.0.0"
 description = "Pytest plugin for measuring coverage."
 category = "dev"
 optional = false
-python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
+python-versions = ">=3.6"
 
 [package.dependencies]
-coverage = ">=4.4"
-pytest = ">=3.6"
+coverage = {version = ">=5.2.1", extras = ["toml"]}
+pytest = ">=4.6"
 
 [package.extras]
-testing = ["fields", "hunter", "process-tests (==2.0.2)", "six", "virtualenv"]
+testing = ["fields", "hunter", "process-tests", "six", "pytest-xdist", "virtualenv"]
 
 [[package]]
 name = "six"
@@ -206,12 +208,20 @@ optional = false
 python-versions = ">=2.6, !=3.0.*, !=3.1.*"
 
 [[package]]
-name = "wcwidth"
-version = "0.1.7"
-description = "Measures number of Terminal column cells of wide-character codes"
+name = "toml"
+version = "0.10.2"
+description = "Python Library for Tom's Obvious, Minimal Language"
 category = "dev"
 optional = false
-python-versions = "*"
+python-versions = ">=2.6, !=3.0.*, !=3.1.*, !=3.2.*"
+
+[[package]]
+name = "tomli"
+version = "2.0.1"
+description = "A lil' TOML parser"
+category = "dev"
+optional = false
+python-versions = ">=3.7"
 
 [[package]]
 name = "zipp"
@@ -230,8 +240,8 @@ testing = ["pathlib2", "contextlib2", "unittest2"]
 
 [metadata]
 lock-version = "1.1"
-python-versions = "^3.5"
-content-hash = "21e79f003cee0c519454cf16aaefcbff49f8d8c68d29290c0a1f4cb59f1fa8a8"
+python-versions = "^3.7"
+content-hash = "522d884f572779dc37518150b5451de574501979fdbf7f0f58ba6da21ac0f0e1"
 
 [metadata.files]
 atomicwrites = [
@@ -247,43 +257,56 @@ colorama = [
     {file = "colorama-0.4.3.tar.gz", hash = "sha256:e96da0d330793e2cb9485e9ddfd918d456036c7149416295932478192f4436a1"},
 ]
 coverage = [
-    {file = "coverage-4.5.4-cp26-cp26m-macosx_10_12_x86_64.whl", hash = "sha256:eee64c616adeff7db37cc37da4180a3a5b6177f5c46b187894e633f088fb5b28"},
-    {file = "coverage-4.5.4-cp27-cp27m-macosx_10_12_x86_64.whl", hash = "sha256:ef824cad1f980d27f26166f86856efe11eff9912c4fed97d3804820d43fa550c"},
-    {file = "coverage-4.5.4-cp27-cp27m-macosx_10_13_intel.whl", hash = "sha256:9a334d6c83dfeadae576b4d633a71620d40d1c379129d587faa42ee3e2a85cce"},
-    {file = "coverage-4.5.4-cp27-cp27m-manylinux1_i686.whl", hash = "sha256:7494b0b0274c5072bddbfd5b4a6c6f18fbbe1ab1d22a41e99cd2d00c8f96ecfe"},
-    {file = "coverage-4.5.4-cp27-cp27m-manylinux1_x86_64.whl", hash = "sha256:826f32b9547c8091679ff292a82aca9c7b9650f9fda3e2ca6bf2ac905b7ce888"},
-    {file = "coverage-4.5.4-cp27-cp27m-win32.whl", hash = "sha256:63a9a5fc43b58735f65ed63d2cf43508f462dc49857da70b8980ad78d41d52fc"},
-    {file = "coverage-4.5.4-cp27-cp27m-win_amd64.whl", hash = "sha256:e2ede7c1d45e65e209d6093b762e98e8318ddeff95317d07a27a2140b80cfd24"},
-    {file = "coverage-4.5.4-cp27-cp27mu-manylinux1_i686.whl", hash = "sha256:dd579709a87092c6dbee09d1b7cfa81831040705ffa12a1b248935274aee0437"},
-    {file = "coverage-4.5.4-cp27-cp27mu-manylinux1_x86_64.whl", hash = "sha256:08907593569fe59baca0bf152c43f3863201efb6113ecb38ce7e97ce339805a6"},
-    {file = "coverage-4.5.4-cp33-cp33m-macosx_10_10_x86_64.whl", hash = "sha256:6b62544bb68106e3f00b21c8930e83e584fdca005d4fffd29bb39fb3ffa03cb5"},
-    {file = "coverage-4.5.4-cp34-cp34m-macosx_10_12_x86_64.whl", hash = "sha256:331cb5115673a20fb131dadd22f5bcaf7677ef758741312bee4937d71a14b2ef"},
-    {file = "coverage-4.5.4-cp34-cp34m-manylinux1_i686.whl", hash = "sha256:bf1ef9eb901113a9805287e090452c05547578eaab1b62e4ad456fcc049a9b7e"},
-    {file = "coverage-4.5.4-cp34-cp34m-manylinux1_x86_64.whl", hash = "sha256:386e2e4090f0bc5df274e720105c342263423e77ee8826002dcffe0c9533dbca"},
-    {file = "coverage-4.5.4-cp34-cp34m-win32.whl", hash = "sha256:fa964bae817babece5aa2e8c1af841bebb6d0b9add8e637548809d040443fee0"},
-    {file = "coverage-4.5.4-cp34-cp34m-win_amd64.whl", hash = "sha256:df6712284b2e44a065097846488f66840445eb987eb81b3cc6e4149e7b6982e1"},
-    {file = "coverage-4.5.4-cp35-cp35m-macosx_10_12_x86_64.whl", hash = "sha256:efc89291bd5a08855829a3c522df16d856455297cf35ae827a37edac45f466a7"},
-    {file = "coverage-4.5.4-cp35-cp35m-manylinux1_i686.whl", hash = "sha256:e4ef9c164eb55123c62411f5936b5c2e521b12356037b6e1c2617cef45523d47"},
-    {file = "coverage-4.5.4-cp35-cp35m-manylinux1_x86_64.whl", hash = "sha256:ff37757e068ae606659c28c3bd0d923f9d29a85de79bf25b2b34b148473b5025"},
-    {file = "coverage-4.5.4-cp35-cp35m-win32.whl", hash = "sha256:bf0a7aed7f5521c7ca67febd57db473af4762b9622254291fbcbb8cd0ba5e33e"},
-    {file = "coverage-4.5.4-cp35-cp35m-win_amd64.whl", hash = "sha256:19e4df788a0581238e9390c85a7a09af39c7b539b29f25c89209e6c3e371270d"},
-    {file = "coverage-4.5.4-cp36-cp36m-macosx_10_13_x86_64.whl", hash = "sha256:60851187677b24c6085248f0a0b9b98d49cba7ecc7ec60ba6b9d2e5574ac1ee9"},
-    {file = "coverage-4.5.4-cp36-cp36m-manylinux1_i686.whl", hash = "sha256:245388cda02af78276b479f299bbf3783ef0a6a6273037d7c60dc73b8d8d7755"},
-    {file = "coverage-4.5.4-cp36-cp36m-manylinux1_x86_64.whl", hash = "sha256:c0afd27bc0e307a1ffc04ca5ec010a290e49e3afbe841c5cafc5c5a80ecd81c9"},
-    {file = "coverage-4.5.4-cp36-cp36m-win32.whl", hash = "sha256:6ba744056423ef8d450cf627289166da65903885272055fb4b5e113137cfa14f"},
-    {file = "coverage-4.5.4-cp36-cp36m-win_amd64.whl", hash = "sha256:af7ed8a8aa6957aac47b4268631fa1df984643f07ef00acd374e456364b373f5"},
-    {file = "coverage-4.5.4-cp37-cp37m-macosx_10_13_x86_64.whl", hash = "sha256:3a794ce50daee01c74a494919d5ebdc23d58873747fa0e288318728533a3e1ca"},
-    {file = "coverage-4.5.4-cp37-cp37m-manylinux1_i686.whl", hash = "sha256:0be0f1ed45fc0c185cfd4ecc19a1d6532d72f86a2bac9de7e24541febad72650"},
-    {file = "coverage-4.5.4-cp37-cp37m-manylinux1_x86_64.whl", hash = "sha256:eca2b7343524e7ba246cab8ff00cab47a2d6d54ada3b02772e908a45675722e2"},
-    {file = "coverage-4.5.4-cp37-cp37m-win32.whl", hash = "sha256:93715dffbcd0678057f947f496484e906bf9509f5c1c38fc9ba3922893cda5f5"},
-    {file = "coverage-4.5.4-cp37-cp37m-win_amd64.whl", hash = "sha256:23cc09ed395b03424d1ae30dcc292615c1372bfba7141eb85e11e50efaa6b351"},
-    {file = "coverage-4.5.4-cp38-cp38-macosx_10_13_x86_64.whl", hash = "sha256:141f08ed3c4b1847015e2cd62ec06d35e67a3ac185c26f7635f4406b90afa9c5"},
-    {file = "coverage-4.5.4.tar.gz", hash = "sha256:e07d9f1a23e9e93ab5c62902833bf3e4b1f65502927379148b6622686223125c"},
+    {file = "coverage-6.4.1-cp310-cp310-macosx_10_9_x86_64.whl", hash = "sha256:f1d5aa2703e1dab4ae6cf416eb0095304f49d004c39e9db1d86f57924f43006b"},
+    {file = "coverage-6.4.1-cp310-cp310-macosx_11_0_arm64.whl", hash = "sha256:4ce1b258493cbf8aec43e9b50d89982346b98e9ffdfaae8ae5793bc112fb0068"},
+    {file = "coverage-6.4.1-cp310-cp310-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:83c4e737f60c6936460c5be330d296dd5b48b3963f48634c53b3f7deb0f34ec4"},
+    {file = "coverage-6.4.1-cp310-cp310-manylinux_2_5_i686.manylinux1_i686.manylinux_2_17_i686.manylinux2014_i686.whl", hash = "sha256:84e65ef149028516c6d64461b95a8dbcfce95cfd5b9eb634320596173332ea84"},
+    {file = "coverage-6.4.1-cp310-cp310-manylinux_2_5_x86_64.manylinux1_x86_64.manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:f69718750eaae75efe506406c490d6fc5a6161d047206cc63ce25527e8a3adad"},
+    {file = "coverage-6.4.1-cp310-cp310-musllinux_1_1_aarch64.whl", hash = "sha256:e57816f8ffe46b1df8f12e1b348f06d164fd5219beba7d9433ba79608ef011cc"},
+    {file = "coverage-6.4.1-cp310-cp310-musllinux_1_1_i686.whl", hash = "sha256:01c5615d13f3dd3aa8543afc069e5319cfa0c7d712f6e04b920431e5c564a749"},
+    {file = "coverage-6.4.1-cp310-cp310-musllinux_1_1_x86_64.whl", hash = "sha256:75ab269400706fab15981fd4bd5080c56bd5cc07c3bccb86aab5e1d5a88dc8f4"},
+    {file = "coverage-6.4.1-cp310-cp310-win32.whl", hash = "sha256:a7f3049243783df2e6cc6deafc49ea123522b59f464831476d3d1448e30d72df"},
+    {file = "coverage-6.4.1-cp310-cp310-win_amd64.whl", hash = "sha256:ee2ddcac99b2d2aec413e36d7a429ae9ebcadf912946b13ffa88e7d4c9b712d6"},
+    {file = "coverage-6.4.1-cp37-cp37m-macosx_10_9_x86_64.whl", hash = "sha256:fb73e0011b8793c053bfa85e53129ba5f0250fdc0392c1591fd35d915ec75c46"},
+    {file = "coverage-6.4.1-cp37-cp37m-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:106c16dfe494de3193ec55cac9640dd039b66e196e4641fa8ac396181578b982"},
+    {file = "coverage-6.4.1-cp37-cp37m-manylinux_2_5_i686.manylinux1_i686.manylinux_2_17_i686.manylinux2014_i686.whl", hash = "sha256:87f4f3df85aa39da00fd3ec4b5abeb7407e82b68c7c5ad181308b0e2526da5d4"},
+    {file = "coverage-6.4.1-cp37-cp37m-manylinux_2_5_x86_64.manylinux1_x86_64.manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:961e2fb0680b4f5ad63234e0bf55dfb90d302740ae9c7ed0120677a94a1590cb"},
+    {file = "coverage-6.4.1-cp37-cp37m-musllinux_1_1_aarch64.whl", hash = "sha256:cec3a0f75c8f1031825e19cd86ee787e87cf03e4fd2865c79c057092e69e3a3b"},
+    {file = "coverage-6.4.1-cp37-cp37m-musllinux_1_1_i686.whl", hash = "sha256:129cd05ba6f0d08a766d942a9ed4b29283aff7b2cccf5b7ce279d50796860bb3"},
+    {file = "coverage-6.4.1-cp37-cp37m-musllinux_1_1_x86_64.whl", hash = "sha256:bf5601c33213d3cb19d17a796f8a14a9eaa5e87629a53979a5981e3e3ae166f6"},
+    {file = "coverage-6.4.1-cp37-cp37m-win32.whl", hash = "sha256:269eaa2c20a13a5bf17558d4dc91a8d078c4fa1872f25303dddcbba3a813085e"},
+    {file = "coverage-6.4.1-cp37-cp37m-win_amd64.whl", hash = "sha256:f02cbbf8119db68455b9d763f2f8737bb7db7e43720afa07d8eb1604e5c5ae28"},
+    {file = "coverage-6.4.1-cp38-cp38-macosx_10_9_x86_64.whl", hash = "sha256:ffa9297c3a453fba4717d06df579af42ab9a28022444cae7fa605af4df612d54"},
+    {file = "coverage-6.4.1-cp38-cp38-macosx_11_0_arm64.whl", hash = "sha256:145f296d00441ca703a659e8f3eb48ae39fb083baba2d7ce4482fb2723e050d9"},
+    {file = "coverage-6.4.1-cp38-cp38-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:d67d44996140af8b84284e5e7d398e589574b376fb4de8ccd28d82ad8e3bea13"},
+    {file = "coverage-6.4.1-cp38-cp38-manylinux_2_5_i686.manylinux1_i686.manylinux_2_17_i686.manylinux2014_i686.whl", hash = "sha256:2bd9a6fc18aab8d2e18f89b7ff91c0f34ff4d5e0ba0b33e989b3cd4194c81fd9"},
+    {file = "coverage-6.4.1-cp38-cp38-manylinux_2_5_x86_64.manylinux1_x86_64.manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:3384f2a3652cef289e38100f2d037956194a837221edd520a7ee5b42d00cc605"},
+    {file = "coverage-6.4.1-cp38-cp38-musllinux_1_1_aarch64.whl", hash = "sha256:9b3e07152b4563722be523e8cd0b209e0d1a373022cfbde395ebb6575bf6790d"},
+    {file = "coverage-6.4.1-cp38-cp38-musllinux_1_1_i686.whl", hash = "sha256:1480ff858b4113db2718848d7b2d1b75bc79895a9c22e76a221b9d8d62496428"},
+    {file = "coverage-6.4.1-cp38-cp38-musllinux_1_1_x86_64.whl", hash = "sha256:865d69ae811a392f4d06bde506d531f6a28a00af36f5c8649684a9e5e4a85c83"},
+    {file = "coverage-6.4.1-cp38-cp38-win32.whl", hash = "sha256:664a47ce62fe4bef9e2d2c430306e1428ecea207ffd68649e3b942fa8ea83b0b"},
+    {file = "coverage-6.4.1-cp38-cp38-win_amd64.whl", hash = "sha256:26dff09fb0d82693ba9e6231248641d60ba606150d02ed45110f9ec26404ed1c"},
+    {file = "coverage-6.4.1-cp39-cp39-macosx_10_9_x86_64.whl", hash = "sha256:d9c80df769f5ec05ad21ea34be7458d1dc51ff1fb4b2219e77fe24edf462d6df"},
+    {file = "coverage-6.4.1-cp39-cp39-macosx_11_0_arm64.whl", hash = "sha256:39ee53946bf009788108b4dd2894bf1349b4e0ca18c2016ffa7d26ce46b8f10d"},
+    {file = "coverage-6.4.1-cp39-cp39-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:f5b66caa62922531059bc5ac04f836860412f7f88d38a476eda0a6f11d4724f4"},
+    {file = "coverage-6.4.1-cp39-cp39-manylinux_2_5_i686.manylinux1_i686.manylinux_2_17_i686.manylinux2014_i686.whl", hash = "sha256:fd180ed867e289964404051a958f7cccabdeed423f91a899829264bb7974d3d3"},
+    {file = "coverage-6.4.1-cp39-cp39-manylinux_2_5_x86_64.manylinux1_x86_64.manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:84631e81dd053e8a0d4967cedab6db94345f1c36107c71698f746cb2636c63e3"},
+    {file = "coverage-6.4.1-cp39-cp39-musllinux_1_1_aarch64.whl", hash = "sha256:8c08da0bd238f2970230c2a0d28ff0e99961598cb2e810245d7fc5afcf1254e8"},
+    {file = "coverage-6.4.1-cp39-cp39-musllinux_1_1_i686.whl", hash = "sha256:d42c549a8f41dc103a8004b9f0c433e2086add8a719da00e246e17cbe4056f72"},
+    {file = "coverage-6.4.1-cp39-cp39-musllinux_1_1_x86_64.whl", hash = "sha256:309ce4a522ed5fca432af4ebe0f32b21d6d7ccbb0f5fcc99290e71feba67c264"},
+    {file = "coverage-6.4.1-cp39-cp39-win32.whl", hash = "sha256:fdb6f7bd51c2d1714cea40718f6149ad9be6a2ee7d93b19e9f00934c0f2a74d9"},
+    {file = "coverage-6.4.1-cp39-cp39-win_amd64.whl", hash = "sha256:342d4aefd1c3e7f620a13f4fe563154d808b69cccef415415aece4c786665397"},
+    {file = "coverage-6.4.1-pp36.pp37.pp38-none-any.whl", hash = "sha256:4803e7ccf93230accb928f3a68f00ffa80a88213af98ed338a57ad021ef06815"},
+    {file = "coverage-6.4.1.tar.gz", hash = "sha256:4321f075095a096e70aff1d002030ee612b65a205a0a0f5b815280d5dc58100c"},
 ]
 importlib-metadata = [
     {file = "importlib_metadata-1.3.0-py2.py3-none-any.whl", hash = "sha256:d95141fbfa7ef2ec65cfd945e2af7e5a6ddbd7c8d9a25e66ff3be8e3daf9f60f"},
     {file = "importlib_metadata-1.3.0.tar.gz", hash = "sha256:073a852570f92da5f744a3472af1b61e28e9f78ccf0c9117658dc32b15de7b45"},
 ]
+iniconfig = [
+    {file = "iniconfig-1.1.1-py2.py3-none-any.whl", hash = "sha256:011e24c64b7f47f6ebd835bb12a743f2fbe9a26d4cecaa7f53bc4f35ee9da8b3"},
+    {file = "iniconfig-1.1.1.tar.gz", hash = "sha256:bc3af051d7d14b2ee5ef9969666def0cd1a000e121eaea580d4a313df4b37f32"},
+]
 jsonpatch = [
     {file = "jsonpatch-1.24-py2.py3-none-any.whl", hash = "sha256:83f29a2978c13da29bfdf89da9d65542d62576479caf215df19632d7dc04c6e6"},
     {file = "jsonpatch-1.24.tar.gz", hash = "sha256:cbb72f8bf35260628aea6b508a107245f757d1ec839a19c34349985e2c05645a"},
@@ -304,17 +327,13 @@ packaging = [
     {file = "packaging-19.2-py2.py3-none-any.whl", hash = "sha256:d9551545c6d761f3def1677baf08ab2a3ca17c56879e70fecba2fc4dde4ed108"},
     {file = "packaging-19.2.tar.gz", hash = "sha256:28b924174df7a2fa32c1953825ff29c61e2f5e082343165438812f00d3a7fc47"},
 ]
-pathlib2 = [
-    {file = "pathlib2-2.3.5-py2.py3-none-any.whl", hash = "sha256:0ec8205a157c80d7acc301c0b18fbd5d44fe655968f5d947b6ecef5290fc35db"},
-    {file = "pathlib2-2.3.5.tar.gz", hash = "sha256:6cd9a47b597b37cc57de1c05e56fb1a1c9cc9fab04fe78c29acd090418529868"},
-]
 pluggy = [
     {file = "pluggy-0.13.1-py2.py3-none-any.whl", hash = "sha256:966c145cd83c96502c3c3868f50408687b38434af77734af1e9ca461a4081d2d"},
     {file = "pluggy-0.13.1.tar.gz", hash = "sha256:15b2acde666561e1298d71b523007ed7364de07029219b604cf808bfa1c765b0"},
 ]
 py = [
-    {file = "py-1.8.0-py2.py3-none-any.whl", hash = "sha256:64f65755aee5b381cea27766a3a147c3f15b9b6b9ac88676de66ba2ae36793fa"},
-    {file = "py-1.8.0.tar.gz", hash = "sha256:dc639b046a6e2cff5bbe40194ad65936d6ba360b52b3c3fe1d08a82dd50b5e53"},
+    {file = "py-1.11.0-py2.py3-none-any.whl", hash = "sha256:607c53218732647dff4acdfcd50cb62615cedf612e72d1724fb1a0cc6405b378"},
+    {file = "py-1.11.0.tar.gz", hash = "sha256:51c75c4126074b472f746a24399ad32f6053d1b34b68d2fa41e558e6f4a98719"},
 ]
 pyparsing = [
     {file = "pyparsing-2.4.5-py2.py3-none-any.whl", hash = "sha256:20f995ecd72f2a1f4bf6b072b63b22e2eb457836601e76d6e5dfcd75436acc1f"},
@@ -324,20 +343,24 @@ pyrsistent = [
     {file = "pyrsistent-0.15.6.tar.gz", hash = "sha256:f3b280d030afb652f79d67c5586157c5c1355c9a58dfc7940566e28d28f3df1b"},
 ]
 pytest = [
-    {file = "pytest-5.3.1-py3-none-any.whl", hash = "sha256:63344a2e3bce2e4d522fd62b4fdebb647c019f1f9e4ca075debbd13219db4418"},
-    {file = "pytest-5.3.1.tar.gz", hash = "sha256:f67403f33b2b1d25a6756184077394167fe5e2f9d8bdaab30707d19ccec35427"},
+    {file = "pytest-6.2.5-py3-none-any.whl", hash = "sha256:7310f8d27bc79ced999e760ca304d69f6ba6c6649c0b60fb0e04a4a77cacc134"},
+    {file = "pytest-6.2.5.tar.gz", hash = "sha256:131b36680866a76e6781d13f101efb86cf674ebb9762eb70d3082b6f29889e89"},
 ]
 pytest-cov = [
-    {file = "pytest-cov-2.8.1.tar.gz", hash = "sha256:cc6742d8bac45070217169f5f72ceee1e0e55b0221f54bcf24845972d3a47f2b"},
-    {file = "pytest_cov-2.8.1-py2.py3-none-any.whl", hash = "sha256:cdbdef4f870408ebdbfeb44e63e07eb18bb4619fae852f6e760645fa36172626"},
+    {file = "pytest-cov-3.0.0.tar.gz", hash = "sha256:e7f0f5b1617d2210a2cabc266dfe2f4c75a8d32fb89eafb7ad9d06f6d076d470"},
+    {file = "pytest_cov-3.0.0-py3-none-any.whl", hash = "sha256:578d5d15ac4a25e5f961c938b85a05b09fdaae9deef3bb6de9a6e766622ca7a6"},
 ]
 six = [
     {file = "six-1.13.0-py2.py3-none-any.whl", hash = "sha256:1f1b7d42e254082a9db6279deae68afb421ceba6158efa6131de7b3003ee93fd"},
     {file = "six-1.13.0.tar.gz", hash = "sha256:30f610279e8b2578cab6db20741130331735c781b56053c59c4076da27f06b66"},
 ]
-wcwidth = [
-    {file = "wcwidth-0.1.7-py2.py3-none-any.whl", hash = "sha256:f4ebe71925af7b40a864553f761ed559b43544f8f71746c2d756c7fe788ade7c"},
-    {file = "wcwidth-0.1.7.tar.gz", hash = "sha256:3df37372226d6e63e1b1e1eda15c594bca98a22d33a23832a90998faa96bc65e"},
+toml = [
+    {file = "toml-0.10.2-py2.py3-none-any.whl", hash = "sha256:806143ae5bfb6a3c6e736a764057db0e6a0e05e338b5630894a5f779cabb4f9b"},
+    {file = "toml-0.10.2.tar.gz", hash = "sha256:b3bda1d108d5dd99f4a20d24d9c348e91c4db7ab1b749200bded2f839ccbe68f"},
+]
+tomli = [
+    {file = "tomli-2.0.1-py3-none-any.whl", hash = "sha256:939de3e7a6161af0c887ef91b7d41a53e7c5a1ca976325f429cb46ea9bc30ecc"},
+    {file = "tomli-2.0.1.tar.gz", hash = "sha256:de526c12914f0c550d15924c62d72abc48d6fe7364aa87328337a31007fe8a4f"},
 ]
 zipp = [
     {file = "zipp-0.6.0-py2.py3-none-any.whl", hash = "sha256:f06903e9f1f43b12d371004b4ac7b06ab39a44adc747266928ae6debfa7b3335"},
diff --git a/pyproject.toml b/pyproject.toml
index 1e7479b..77f7e15 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -17,10 +17,10 @@ classifiers = [
     "Operating System :: POSIX",
     "Programming Language :: Python",
     "Programming Language :: Python :: 3",
-    "Programming Language :: Python :: 3.5",
-    "Programming Language :: Python :: 3.6",
     "Programming Language :: Python :: 3.7",
     "Programming Language :: Python :: 3.8",
+    "Programming Language :: Python :: 3.9",
+    "Programming Language :: Python :: 3.10",
     "Topic :: Software Development :: Libraries :: Python Modules",
 ]
 packages = [
@@ -28,13 +28,13 @@ packages = [
 ]
 
 [tool.poetry.dependencies]
-python = "^3.5"
+python = "^3.7"
 jsonschema = "^4"
 jsonpatch = "^1"
 
 [tool.poetry.dev-dependencies]
-pytest = "^5.0"
-pytest-cov = "^2.8"
+pytest = "^6.0"
+pytest-cov = "^3.0"
 
 [tool.black]
 line-length = 88
diff --git a/tox.ini b/tox.ini
index f38885d..5646db4 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,6 +1,6 @@
 [tox]
 skipsdist = True
-envlist = py35,py36,py37,py38
+envlist = py37,py38,py39,py310
 
 [testenv]
 skip_install = true