diff --git a/.travis.yml b/.travis.yml
index e0d8bea..1395d4d 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,10 +1,11 @@
 language: python
 
+dist: jammy
+
 python:
-  - 3.6
-  - 3.7
   - 3.8
-  - 3.8-dev
+  - 3.9
+  - 3.10
 
 before_install:
   - pip install pipenv
@@ -27,4 +28,4 @@ deploy:
   on:
     branch: master
     tags: true
-    condition: $TRAVIS_PYTHON_VERSION = "3.7"
+    condition: $TRAVIS_PYTHON_VERSION = "3.10"
diff --git a/Pipfile.lock b/Pipfile.lock
index 9f2b5e1..c6561fb 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -42,26 +42,27 @@
     "develop": {
         "attrs": {
             "hashes": [
-                "sha256:2d27e3784d7a565d36ab851fe94887c5eccd6a463168875832a1be79c82828b4",
-                "sha256:626ba8234211db98e869df76230a137c4c40a12d72445c45d5f5b716f076e2fd"
+                "sha256:29adc2665447e5191d0e7c568fde78b21f9672d344281d0c6e1ab085429b22b6",
+                "sha256:86efa402f67bf2df34f51a335487cf46b1ec130d02b8d39fd248abfd30da551c"
             ],
-            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4'",
-            "version": "==21.4.0"
+            "markers": "python_version >= '3.5'",
+            "version": "==22.1.0"
         },
         "certifi": {
             "hashes": [
-                "sha256:78884e7c1d4b00ce3cea67b44566851c4343c120abd683433ce934a68ea58872",
-                "sha256:d62a0163eb4c2344ac042ab2bdf75399a71a2d8c7d47eac2e2ee91b9d6339569"
+                "sha256:0d9c601124e5a6ba9712dbc60d9c53c21e34f5f641fe83002317394311bdce14",
+                "sha256:90c1a32f1d68f940488354e36370f6cca89f0f106db09518524c88d6ed83f382"
             ],
-            "version": "==2021.10.8"
+            "markers": "python_version >= '3.6'",
+            "version": "==2022.9.24"
         },
         "charset-normalizer": {
             "hashes": [
-                "sha256:876d180e9d7432c5d1dfd4c5d26b72f099d503e8fcc0feb7532c9289be60fcbd",
-                "sha256:cb957888737fc0bbcd78e3df769addb41fd1ff8cf950dc9e7ad7793f1bf44455"
+                "sha256:5a3d016c7c547f69d6f81fb0db9449ce888b418b5b9952cc5e6e66843e9dd845",
+                "sha256:83e9a75d1911279afd89352c68b45348559d1fc0506b054b346651b5e7fee29f"
             ],
-            "markers": "python_version >= '3'",
-            "version": "==2.0.10"
+            "markers": "python_version >= '3.6'",
+            "version": "==2.1.1"
         },
         "codecov": {
             "hashes": [
@@ -74,72 +75,75 @@
         },
         "coverage": {
             "hashes": [
-                "sha256:01774a2c2c729619760320270e42cd9e797427ecfddd32c2a7b639cdc481f3c0",
-                "sha256:03b20e52b7d31be571c9c06b74746746d4eb82fc260e594dc662ed48145e9efd",
-                "sha256:0a7726f74ff63f41e95ed3a89fef002916c828bb5fcae83b505b49d81a066884",
-                "sha256:1219d760ccfafc03c0822ae2e06e3b1248a8e6d1a70928966bafc6838d3c9e48",
-                "sha256:13362889b2d46e8d9f97c421539c97c963e34031ab0cb89e8ca83a10cc71ac76",
-                "sha256:174cf9b4bef0db2e8244f82059a5a72bd47e1d40e71c68ab055425172b16b7d0",
-                "sha256:17e6c11038d4ed6e8af1407d9e89a2904d573be29d51515f14262d7f10ef0a64",
-                "sha256:215f8afcc02a24c2d9a10d3790b21054b58d71f4b3c6f055d4bb1b15cecce685",
-                "sha256:22e60a3ca5acba37d1d4a2ee66e051f5b0e1b9ac950b5b0cf4aa5366eda41d47",
-                "sha256:2641f803ee9f95b1f387f3e8f3bf28d83d9b69a39e9911e5bfee832bea75240d",
-                "sha256:276651978c94a8c5672ea60a2656e95a3cce2a3f31e9fb2d5ebd4c215d095840",
-                "sha256:3f7c17209eef285c86f819ff04a6d4cbee9b33ef05cbcaae4c0b4e8e06b3ec8f",
-                "sha256:3feac4084291642165c3a0d9eaebedf19ffa505016c4d3db15bfe235718d4971",
-                "sha256:49dbff64961bc9bdd2289a2bda6a3a5a331964ba5497f694e2cbd540d656dc1c",
-                "sha256:4e547122ca2d244f7c090fe3f4b5a5861255ff66b7ab6d98f44a0222aaf8671a",
-                "sha256:5829192582c0ec8ca4a2532407bc14c2f338d9878a10442f5d03804a95fac9de",
-                "sha256:5d6b09c972ce9200264c35a1d53d43ca55ef61836d9ec60f0d44273a31aa9f17",
-                "sha256:600617008aa82032ddeace2535626d1bc212dfff32b43989539deda63b3f36e4",
-                "sha256:619346d57c7126ae49ac95b11b0dc8e36c1dd49d148477461bb66c8cf13bb521",
-                "sha256:63c424e6f5b4ab1cf1e23a43b12f542b0ec2e54f99ec9f11b75382152981df57",
-                "sha256:6dbc1536e105adda7a6312c778f15aaabe583b0e9a0b0a324990334fd458c94b",
-                "sha256:6e1394d24d5938e561fbeaa0cd3d356207579c28bd1792f25a068743f2d5b282",
-                "sha256:86f2e78b1eff847609b1ca8050c9e1fa3bd44ce755b2ec30e70f2d3ba3844644",
-                "sha256:8bdfe9ff3a4ea37d17f172ac0dff1e1c383aec17a636b9b35906babc9f0f5475",
-                "sha256:8e2c35a4c1f269704e90888e56f794e2d9c0262fb0c1b1c8c4ee44d9b9e77b5d",
-                "sha256:92b8c845527eae547a2a6617d336adc56394050c3ed8a6918683646328fbb6da",
-                "sha256:9365ed5cce5d0cf2c10afc6add145c5037d3148585b8ae0e77cc1efdd6aa2953",
-                "sha256:9a29311bd6429be317c1f3fe4bc06c4c5ee45e2fa61b2a19d4d1d6111cb94af2",
-                "sha256:9a2b5b52be0a8626fcbffd7e689781bf8c2ac01613e77feda93d96184949a98e",
-                "sha256:a4bdeb0a52d1d04123b41d90a4390b096f3ef38eee35e11f0b22c2d031222c6c",
-                "sha256:a9c8c4283e17690ff1a7427123ffb428ad6a52ed720d550e299e8291e33184dc",
-                "sha256:b637c57fdb8be84e91fac60d9325a66a5981f8086c954ea2772efe28425eaf64",
-                "sha256:bf154ba7ee2fd613eb541c2bc03d3d9ac667080a737449d1a3fb342740eb1a74",
-                "sha256:c254b03032d5a06de049ce8bca8338a5185f07fb76600afff3c161e053d88617",
-                "sha256:c332d8f8d448ded473b97fefe4a0983265af21917d8b0cdcb8bb06b2afe632c3",
-                "sha256:c7912d1526299cb04c88288e148c6c87c0df600eca76efd99d84396cfe00ef1d",
-                "sha256:cfd9386c1d6f13b37e05a91a8583e802f8059bebfccde61a418c5808dea6bbfa",
-                "sha256:d5d2033d5db1d58ae2d62f095e1aefb6988af65b4b12cb8987af409587cc0739",
-                "sha256:dca38a21e4423f3edb821292e97cec7ad38086f84313462098568baedf4331f8",
-                "sha256:e2cad8093172b7d1595b4ad66f24270808658e11acf43a8f95b41276162eb5b8",
-                "sha256:e3db840a4dee542e37e09f30859f1612da90e1c5239a6a2498c473183a50e781",
-                "sha256:edcada2e24ed68f019175c2b2af2a8b481d3d084798b8c20d15d34f5c733fa58",
-                "sha256:f467bbb837691ab5a8ca359199d3429a11a01e6dfb3d9dcc676dc035ca93c0a9",
-                "sha256:f506af4f27def639ba45789fa6fde45f9a217da0be05f8910458e4557eed020c",
-                "sha256:f614fc9956d76d8a88a88bb41ddc12709caa755666f580af3a688899721efecd",
-                "sha256:f9afb5b746781fc2abce26193d1c817b7eb0e11459510fba65d2bd77fe161d9e",
-                "sha256:fb8b8ee99b3fffe4fd86f4c81b35a6bf7e4462cba019997af2fe679365db0c49"
+                "sha256:027018943386e7b942fa832372ebc120155fd970837489896099f5cfa2890f79",
+                "sha256:11b990d520ea75e7ee8dcab5bc908072aaada194a794db9f6d7d5cfd19661e5a",
+                "sha256:12adf310e4aafddc58afdb04d686795f33f4d7a6fa67a7a9d4ce7d6ae24d949f",
+                "sha256:1431986dac3923c5945271f169f59c45b8802a114c8f548d611f2015133df77a",
+                "sha256:1ef221513e6f68b69ee9e159506d583d31aa3567e0ae84eaad9d6ec1107dddaa",
+                "sha256:20c8ac5386253717e5ccc827caad43ed66fea0efe255727b1053a8154d952398",
+                "sha256:2198ea6fc548de52adc826f62cb18554caedfb1d26548c1b7c88d8f7faa8f6ba",
+                "sha256:255758a1e3b61db372ec2736c8e2a1fdfaf563977eedbdf131de003ca5779b7d",
+                "sha256:265de0fa6778d07de30bcf4d9dc471c3dc4314a23a3c6603d356a3c9abc2dfcf",
+                "sha256:33a7da4376d5977fbf0a8ed91c4dffaaa8dbf0ddbf4c8eea500a2486d8bc4d7b",
+                "sha256:42eafe6778551cf006a7c43153af1211c3aaab658d4d66fa5fcc021613d02518",
+                "sha256:4433b90fae13f86fafff0b326453dd42fc9a639a0d9e4eec4d366436d1a41b6d",
+                "sha256:4a5375e28c5191ac38cca59b38edd33ef4cc914732c916f2929029b4bfb50795",
+                "sha256:4a8dbc1f0fbb2ae3de73eb0bdbb914180c7abfbf258e90b311dcd4f585d44bd2",
+                "sha256:59f53f1dc5b656cafb1badd0feb428c1e7bc19b867479ff72f7a9dd9b479f10e",
+                "sha256:5dbec3b9095749390c09ab7c89d314727f18800060d8d24e87f01fb9cfb40b32",
+                "sha256:633713d70ad6bfc49b34ead4060531658dc6dfc9b3eb7d8a716d5873377ab745",
+                "sha256:6b07130585d54fe8dff3d97b93b0e20290de974dc8177c320aeaf23459219c0b",
+                "sha256:6c4459b3de97b75e3bd6b7d4b7f0db13f17f504f3d13e2a7c623786289dd670e",
+                "sha256:6d4817234349a80dbf03640cec6109cd90cba068330703fa65ddf56b60223a6d",
+                "sha256:723e8130d4ecc8f56e9a611e73b31219595baa3bb252d539206f7bbbab6ffc1f",
+                "sha256:784f53ebc9f3fd0e2a3f6a78b2be1bd1f5575d7863e10c6e12504f240fd06660",
+                "sha256:7b6be138d61e458e18d8e6ddcddd36dd96215edfe5f1168de0b1b32635839b62",
+                "sha256:7ccf362abd726b0410bf8911c31fbf97f09f8f1061f8c1cf03dfc4b6372848f6",
+                "sha256:83516205e254a0cb77d2d7bb3632ee019d93d9f4005de31dca0a8c3667d5bc04",
+                "sha256:851cf4ff24062c6aec510a454b2584f6e998cada52d4cb58c5e233d07172e50c",
+                "sha256:8f830ed581b45b82451a40faabb89c84e1a998124ee4212d440e9c6cf70083e5",
+                "sha256:94e2565443291bd778421856bc975d351738963071e9b8839ca1fc08b42d4bef",
+                "sha256:95203854f974e07af96358c0b261f1048d8e1083f2de9b1c565e1be4a3a48cfc",
+                "sha256:97117225cdd992a9c2a5515db1f66b59db634f59d0679ca1fa3fe8da32749cae",
+                "sha256:98e8a10b7a314f454d9eff4216a9a94d143a7ee65018dd12442e898ee2310578",
+                "sha256:a1170fa54185845505fbfa672f1c1ab175446c887cce8212c44149581cf2d466",
+                "sha256:a6b7d95969b8845250586f269e81e5dfdd8ff828ddeb8567a4a2eaa7313460c4",
+                "sha256:a8fb6cf131ac4070c9c5a3e21de0f7dc5a0fbe8bc77c9456ced896c12fcdad91",
+                "sha256:af4fffaffc4067232253715065e30c5a7ec6faac36f8fc8d6f64263b15f74db0",
+                "sha256:b4a5be1748d538a710f87542f22c2cad22f80545a847ad91ce45e77417293eb4",
+                "sha256:b5604380f3415ba69de87a289a2b56687faa4fe04dbee0754bfcae433489316b",
+                "sha256:b9023e237f4c02ff739581ef35969c3739445fb059b060ca51771e69101efffe",
+                "sha256:bc8ef5e043a2af066fa8cbfc6e708d58017024dc4345a1f9757b329a249f041b",
+                "sha256:c4ed2820d919351f4167e52425e096af41bfabacb1857186c1ea32ff9983ed75",
+                "sha256:cca4435eebea7962a52bdb216dec27215d0df64cf27fc1dd538415f5d2b9da6b",
+                "sha256:d900bb429fdfd7f511f868cedd03a6bbb142f3f9118c09b99ef8dc9bf9643c3c",
+                "sha256:d9ecf0829c6a62b9b573c7bb6d4dcd6ba8b6f80be9ba4fc7ed50bf4ac9aecd72",
+                "sha256:dbdb91cd8c048c2b09eb17713b0c12a54fbd587d79adcebad543bc0cd9a3410b",
+                "sha256:de3001a203182842a4630e7b8d1a2c7c07ec1b45d3084a83d5d227a3806f530f",
+                "sha256:e07f4a4a9b41583d6eabec04f8b68076ab3cd44c20bd29332c6572dda36f372e",
+                "sha256:ef8674b0ee8cc11e2d574e3e2998aea5df5ab242e012286824ea3c6970580e53",
+                "sha256:f4f05d88d9a80ad3cac6244d36dd89a3c00abc16371769f1340101d3cb899fc3",
+                "sha256:f642e90754ee3e06b0e7e51bce3379590e76b7f76b708e1a71ff043f87025c84",
+                "sha256:fc2af30ed0d5ae0b1abdb4ebdce598eafd5b35397d4d75deb341a614d333d987"
             ],
-            "markers": "python_version >= '3.6'",
-            "version": "==6.2"
+            "markers": "python_version >= '3.7'",
+            "version": "==6.5.0"
         },
         "freezegun": {
             "hashes": [
-                "sha256:177f9dd59861d871e27a484c3332f35a6e3f5d14626f2bf91be37891f18927f3",
-                "sha256:2ae695f7eb96c62529f03a038461afe3c692db3465e215355e1bb4b0ab408712"
+                "sha256:cd22d1ba06941384410cd967d8a99d5ae2442f57dfafeff2fda5de8dc5c05446",
+                "sha256:ea1b963b993cb9ea195adbd893a48d573fda951b0da64f60883d7e988b606c9f"
             ],
             "index": "pypi",
-            "version": "==1.1.0"
+            "version": "==1.2.2"
         },
         "idna": {
             "hashes": [
-                "sha256:84d9dd047ffa80596e0f246e2eab0b391788b0503584e8945f2368256d2735ff",
-                "sha256:9d643ff0a55b762d5cdb124b8eaa99c66322e2157b69160bc32796e824360e6d"
+                "sha256:814f528e8dead7d329833b91c5faa87d60bf71824cd12a7530b5526063d02cb4",
+                "sha256:90b77e79eaa3eba6de819a0c442c0b4ceefc341a7a2ab77d7562bf49f425c5c2"
             ],
-            "markers": "python_version >= '3'",
-            "version": "==3.3"
+            "markers": "python_version >= '3.5'",
+            "version": "==3.4"
         },
         "iniconfig": {
             "hashes": [
@@ -150,29 +154,33 @@
         },
         "mypy": {
             "hashes": [
-                "sha256:0038b21890867793581e4cb0d810829f5fd4441aa75796b53033af3aa30430ce",
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+                "sha256:a16a0145d6d7d00fbede2da3a3096dcc9ecea091adfa8da48fa6a7b75d35562d",
+                "sha256:ad77c13037d3402fbeffda07d51e3f228ba078d1c7096a73759c9419ea031bf4",
+                "sha256:b6ede64e52257931315826fdbfc6ea878d89a965580d1a65638ef77cb551f56d",
+                "sha256:c9e0efb95ed6ca1654951bd5ec2f3fa91b295d78bf6527e026529d4aaa1e0c30",
+                "sha256:ce65f70b14a21fdac84c294cde75e6dbdabbcff22975335e20827b3b94bdbf49",
+                "sha256:d1debb09043e1f5ee845fa1e96d180e89115b30e47c5d3ce53bc967bab53f62d",
+                "sha256:e178eaffc3c5cd211a87965c8c0df6da91ed7d258b5fc72b8e047c3771317ddb",
+                "sha256:e1acf62a8c4f7c092462c738aa2c2489e275ed386320c10b2e9bff31f6f7e8d6",
+                "sha256:e53773073c864d5f5cec7f3fc72fbbcef65410cde8cc18d4f7242dea60dac52e",
+                "sha256:eb3978b191b9fa0488524bb4ffedf2c573340e8c2b4206fc191d44c7093abfb7",
+                "sha256:f64d2ce043a209a297df322eb4054dfbaa9de9e8738291706eaafda81ab2b362",
+                "sha256:fa38f82f53e1e7beb45557ff167c177802ba7b387ad017eab1663d567017c8ee"
             ],
             "index": "pypi",
-            "version": "==0.931"
+            "version": "==0.981"
         },
         "mypy-extensions": {
             "hashes": [
@@ -207,27 +215,27 @@
         },
         "pyparsing": {
             "hashes": [
-                "sha256:04ff808a5b90911829c55c4e26f75fa5ca8a2f5f36aa3a51f68e27033341d3e4",
-                "sha256:d9bdec0013ef1eb5a84ab39a3b3868911598afa494f5faa038647101504e2b81"
+                "sha256:2b020ecf7d21b687f219b71ecad3631f644a47f01403fa1d1036b0c6416d70fb",
+                "sha256:5026bae9a10eeaefb61dab2f09052b9f4307d44aee4eda64b309723d8d206bbc"
             ],
-            "markers": "python_version >= '3.6'",
-            "version": "==3.0.6"
+            "markers": "python_full_version >= '3.6.8'",
+            "version": "==3.0.9"
         },
         "pytest": {
             "hashes": [
-                "sha256:131b36680866a76e6781d13f101efb86cf674ebb9762eb70d3082b6f29889e89",
-                "sha256:7310f8d27bc79ced999e760ca304d69f6ba6c6649c0b60fb0e04a4a77cacc134"
+                "sha256:1377bda3466d70b55e3f5cecfa55bb7cfcf219c7964629b967c37cf0bda818b7",
+                "sha256:4f365fec2dff9c1162f834d9f18af1ba13062db0c708bf7b946f8a5c76180c39"
             ],
             "index": "pypi",
-            "version": "==6.2.5"
+            "version": "==7.1.3"
         },
         "pytest-cov": {
             "hashes": [
-                "sha256:578d5d15ac4a25e5f961c938b85a05b09fdaae9deef3bb6de9a6e766622ca7a6",
-                "sha256:e7f0f5b1617d2210a2cabc266dfe2f4c75a8d32fb89eafb7ad9d06f6d076d470"
+                "sha256:2feb1b751d66a8bd934e5edfa2e961d11309dc37b73b0eabe73b5945fee20f6b",
+                "sha256:996b79efde6433cdbd0088872dbc5fb3ed7fe1578b68cdbba634f14bb8dd0470"
             ],
             "index": "pypi",
-            "version": "==3.0.0"
+            "version": "==4.0.0"
         },
         "python-dateutil": {
             "hashes": [
@@ -239,11 +247,11 @@
         },
         "requests": {
             "hashes": [
-                "sha256:68d7c56fd5a8999887728ef304a6d12edc7be74f1cfa47714fc8b414525c9a61",
-                "sha256:f22fa1e554c9ddfd16e6e41ac79759e17be9e492b3587efa038054674760e72d"
+                "sha256:7c5599b102feddaa661c826c56ab4fee28bfd17f5abca1ebbe3e7f19d7c97983",
+                "sha256:8fefa2a1a1365bf5520aac41836fbee479da67864514bdb821f31ce07ce65349"
             ],
-            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4, 3.5'",
-            "version": "==2.27.1"
+            "markers": "python_version >= '3.7' and python_version < '4'",
+            "version": "==2.28.1"
         },
         "six": {
             "hashes": [
@@ -253,53 +261,45 @@
             "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
             "version": "==1.16.0"
         },
-        "toml": {
-            "hashes": [
-                "sha256:806143ae5bfb6a3c6e736a764057db0e6a0e05e338b5630894a5f779cabb4f9b",
-                "sha256:b3bda1d108d5dd99f4a20d24d9c348e91c4db7ab1b749200bded2f839ccbe68f"
-            ],
-            "markers": "python_version >= '2.6' and python_version not in '3.0, 3.1, 3.2, 3.3'",
-            "version": "==0.10.2"
-        },
         "tomli": {
             "hashes": [
-                "sha256:b5bde28da1fed24b9bd1d4d2b8cba62300bfb4ec9a6187a957e8ddb9434c5224",
-                "sha256:c292c34f58502a1eb2bbb9f5bbc9a5ebc37bee10ffb8c2d6bbdfa8eb13cc14e1"
+                "sha256:939de3e7a6161af0c887ef91b7d41a53e7c5a1ca976325f429cb46ea9bc30ecc",
+                "sha256:de526c12914f0c550d15924c62d72abc48d6fe7364aa87328337a31007fe8a4f"
             ],
             "markers": "python_version >= '3.7'",
-            "version": "==2.0.0"
+            "version": "==2.0.1"
         },
         "types-freezegun": {
             "hashes": [
-                "sha256:5c70a4b7444b8c7dd2800e0063d6fe721ab11209399264fa0f77af253dd8b14f",
-                "sha256:eaa4ccac7f4ff92762b6e5d34c3c4e41a7763b6d09a8595e0224ff1f24c9d4e1"
+                "sha256:cb3a2d2eee950eacbaac0673ab50499823365ceb8c655babb1544a41446409ec",
+                "sha256:fadebe72213e0674036153366205038e1f95c8ca96deb4ef9b71ddc15413543e"
             ],
             "index": "pypi",
-            "version": "==1.1.6"
+            "version": "==1.1.10"
         },
         "types-python-dateutil": {
             "hashes": [
-                "sha256:efe0207836d3b09e3a2986064a5c7f36e79ea423ab9b6676a62bf5dd51fb261b",
-                "sha256:f704c2b7981e140eac7d626424e6232c1594d392c57c252d81a90fe53c2be896"
+                "sha256:6284df1e4783d8fc6e587f0317a81333856b872a6669a282f8a325342bce7fa8",
+                "sha256:bfd3eb39c7253aea4ba23b10f69b017d30b013662bb4be4ab48b20bbd763f309"
             ],
             "index": "pypi",
-            "version": "==2.8.8"
+            "version": "==2.8.19"
         },
         "typing-extensions": {
             "hashes": [
-                "sha256:4ca091dea149f945ec56afb48dae714f21e8692ef22a395223bcd328961b6a0e",
-                "sha256:7f001e5ac290a0c0401508864c7ec868be4e701886d5b573a9528ed3973d9d3b"
+                "sha256:25642c956049920a5aa49edcdd6ab1e06d7e5d467fc00e0506c44ac86fbfca02",
+                "sha256:e6d2677a32f47fc7eb2795db1dd15c1f34eff616bcaf2cfb5e997f854fa1c4a6"
             ],
-            "markers": "python_version >= '3.6'",
-            "version": "==4.0.1"
+            "markers": "python_version >= '3.7'",
+            "version": "==4.3.0"
         },
         "urllib3": {
             "hashes": [
-                "sha256:000ca7f471a233c2251c6c7023ee85305721bfdf18621ebff4fd17a8653427ed",
-                "sha256:0e7c33d9a63e7ddfcb86780aac87befc2fbddf46c58dbb487e0855f7ceec283c"
+                "sha256:3fa96cf423e6987997fc326ae8df396db2a8b7c667747d47ddd8ecba91f4a74e",
+                "sha256:b930dd878d5a8afb066a637fbb35144fe7901e3b209d1cd4f524bd0e9deee997"
             ],
-            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4' and python_version < '4'",
-            "version": "==1.26.8"
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4, 3.5' and python_version < '4'",
+            "version": "==1.26.12"
         }
     }
 }
diff --git a/setup.py b/setup.py
index 136ff36..6b7d6f4 100644
--- a/setup.py
+++ b/setup.py
@@ -30,9 +30,9 @@
     classifiers=[
         "License :: OSI Approved :: MIT License",
         "Intended Audience :: Developers",
-        "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",
         "Programming Language :: Python :: Implementation :: CPython",
         "Operating System :: OS Independent",
         "Topic :: Software Development",