diff --git a/Pipfile.lock b/Pipfile.lock
index cc20c60..3f3f40f 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -42,11 +42,11 @@
         },
         "djangorestframework": {
             "hashes": [
-                "sha256:8a435df9007c8b7d8e69a21ef06650e3c0cbe0d4b09e55dd1bd74c89a75a9fcd",
-                "sha256:f7a266260d656e1cf4ca54d7a7349609dc8af4fe2590edd0ecd7d7643ea94a17"
+                "sha256:5cc724dc4b076463497837269107e1995b1fbc917468d1b92d188fd1af9ea789",
+                "sha256:a5967b68a04e0d97d10f4df228e30f5a2d82ba63b9d03e1759f84993b7bf1b53"
             ],
             "index": "pypi",
-            "version": "==3.9.2"
+            "version": "==3.11.2"
         },
         "markdown": {
             "hashes": [
@@ -58,67 +58,62 @@
         },
         "pytz": {
             "hashes": [
-                "sha256:32b0891edff07e28efe91284ed9c31e123d84bea3fd98e1f72be2508f43ef8d9",
-                "sha256:d5f05e487007e29e03409f9398d074e158d920d36eb82eaf66fb1136b0c5374c"
+                "sha256:83a4a90894bf38e243cf052c8b58f381bfe9a7a483f6a9cab140bc7f702ac4da",
+                "sha256:eb10ce3e7736052ed3623d49975ce333bcd712c7bb19a58b9e2089d4057d0798"
             ],
-            "version": "==2018.9"
+            "version": "==2021.1"
         },
         "sqlparse": {
             "hashes": [
-                "sha256:40afe6b8d4b1117e7dff5504d7a8ce07d9a1b15aeeade8a2d10f130a834f8177",
-                "sha256:7c3dca29c022744e95b547e867cee89f4fce4373f3549ccd8797d8eb52cdb873"
+                "sha256:017cde379adbd6a1f15a61873f43e8274179378e95ef3fede90b5aa64d304ed0",
+                "sha256:0f91fd2e829c44362cbcfab3e9ae12e22badaa8a29ad5ff599f9ec109f0454e8"
             ],
-            "version": "==0.3.0"
+            "version": "==0.4.1"
         }
     },
     "develop": {
         "astroid": {
             "hashes": [
-                "sha256:6560e1e1749f68c64a4b5dee4e091fce798d2f0d84ebe638cf0e0585a343acf4",
-                "sha256:b65db1bbaac9f9f4d190199bb8680af6f6f84fd3769a5ea883df8a91fe68b4c4"
+                "sha256:21d735aab248253531bb0f1e1e6d068f0ee23533e18ae8a6171ff892b98297cf",
+                "sha256:cfc35498ee64017be059ceffab0a25bedf7548ab76f2bea691c5565896e7128d"
             ],
-            "version": "==2.2.5"
+            "version": "==2.5.1"
         },
         "isort": {
             "hashes": [
-                "sha256:08f8e3f0f0b7249e9fad7e5c41e2113aba44969798a26452ee790c06f155d4ec",
-                "sha256:4e9e9c4bd1acd66cf6c36973f29b031ec752cbfd991c69695e4e259f9a756927"
+                "sha256:54da7e92468955c4fceacd0c86bd0ec997b0e1ee80d97f67c35a78b719dccab1",
+                "sha256:6e811fcb295968434526407adb8796944f1988c5b65e8139058f2014cbe100fd"
             ],
-            "version": "==4.3.16"
+            "version": "==4.3.21"
         },
         "lazy-object-proxy": {
             "hashes": [
-                "sha256:0ce34342b419bd8f018e6666bfef729aec3edf62345a53b537a4dcc115746a33",
-                "sha256:1b668120716eb7ee21d8a38815e5eb3bb8211117d9a90b0f8e21722c0758cc39",
-                "sha256:209615b0fe4624d79e50220ce3310ca1a9445fd8e6d3572a896e7f9146bbf019",
-                "sha256:27bf62cb2b1a2068d443ff7097ee33393f8483b570b475db8ebf7e1cba64f088",
-                "sha256:27ea6fd1c02dcc78172a82fc37fcc0992a94e4cecf53cb6d73f11749825bd98b",
-                "sha256:2c1b21b44ac9beb0fc848d3993924147ba45c4ebc24be19825e57aabbe74a99e",
-                "sha256:2df72ab12046a3496a92476020a1a0abf78b2a7db9ff4dc2036b8dd980203ae6",
-                "sha256:320ffd3de9699d3892048baee45ebfbbf9388a7d65d832d7e580243ade426d2b",
-                "sha256:50e3b9a464d5d08cc5227413db0d1c4707b6172e4d4d915c1c70e4de0bbff1f5",
-                "sha256:5276db7ff62bb7b52f77f1f51ed58850e315154249aceb42e7f4c611f0f847ff",
-                "sha256:61a6cf00dcb1a7f0c773ed4acc509cb636af2d6337a08f362413c76b2b47a8dd",
-                "sha256:6ae6c4cb59f199d8827c5a07546b2ab7e85d262acaccaacd49b62f53f7c456f7",
-                "sha256:7661d401d60d8bf15bb5da39e4dd72f5d764c5aff5a86ef52a042506e3e970ff",
-                "sha256:7bd527f36a605c914efca5d3d014170b2cb184723e423d26b1fb2fd9108e264d",
-                "sha256:7cb54db3535c8686ea12e9535eb087d32421184eacc6939ef15ef50f83a5e7e2",
-                "sha256:7f3a2d740291f7f2c111d86a1c4851b70fb000a6c8883a59660d95ad57b9df35",
-                "sha256:81304b7d8e9c824d058087dcb89144842c8e0dea6d281c031f59f0acf66963d4",
-                "sha256:933947e8b4fbe617a51528b09851685138b49d511af0b6c0da2539115d6d4514",
-                "sha256:94223d7f060301b3a8c09c9b3bc3294b56b2188e7d8179c762a1cda72c979252",
-                "sha256:ab3ca49afcb47058393b0122428358d2fbe0408cf99f1b58b295cfeb4ed39109",
-                "sha256:bd6292f565ca46dee4e737ebcc20742e3b5be2b01556dafe169f6c65d088875f",
-                "sha256:cb924aa3e4a3fb644d0c463cad5bc2572649a6a3f68a7f8e4fbe44aaa6d77e4c",
-                "sha256:d0fc7a286feac9077ec52a927fc9fe8fe2fabab95426722be4c953c9a8bede92",
-                "sha256:ddc34786490a6e4ec0a855d401034cbd1242ef186c20d79d2166d6a4bd449577",
-                "sha256:e34b155e36fa9da7e1b7c738ed7767fc9491a62ec6af70fe9da4a057759edc2d",
-                "sha256:e5b9e8f6bda48460b7b143c3821b21b452cb3a835e6bbd5dd33aa0c8d3f5137d",
-                "sha256:e81ebf6c5ee9684be8f2c87563880f93eedd56dd2b6146d8a725b50b7e5adb0f",
-                "sha256:eb91be369f945f10d3a49f5f9be8b3d0b93a4c2be8f8a5b83b0571b8123e0a7a",
-                "sha256:f460d1ceb0e4a5dcb2a652db0904224f367c9b3c1470d5a7683c0480e582468b"
+                "sha256:1d33d6f789697f401b75ce08e73b1de567b947740f768376631079290118ad39",
+                "sha256:2f2de8f8ac0be3e40d17730e0600619d35c78c13a099ea91ef7fb4ad944ce694",
+                "sha256:3782931963dc89e0e9a0ae4348b44762e868ea280e4f8c233b537852a8996ab9",
+                "sha256:37d9c34b96cca6787fe014aeb651217944a967a5b165e2cacb6b858d2997ab84",
+                "sha256:38c3865bd220bd983fcaa9aa11462619e84a71233bafd9c880f7b1cb753ca7fa",
+                "sha256:429c4d1862f3fc37cd56304d880f2eae5bd0da83bdef889f3bd66458aac49128",
+                "sha256:522b7c94b524389f4a4094c4bf04c2b02228454ddd17c1a9b2801fac1d754871",
+                "sha256:57fb5c5504ddd45ed420b5b6461a78f58cbb0c1b0cbd9cd5a43ad30a4a3ee4d0",
+                "sha256:5944a9b95e97de1980c65f03b79b356f30a43de48682b8bdd90aa5089f0ec1f4",
+                "sha256:6f4e5e68b7af950ed7fdb594b3f19a0014a3ace0fedb86acb896e140ffb24302",
+                "sha256:71a1ef23f22fa8437974b2d60fedb947c99a957ad625f83f43fd3de70f77f458",
+                "sha256:8a44e9901c0555f95ac401377032f6e6af66d8fc1fbfad77a7a8b1a826e0b93c",
+                "sha256:b6577f15d5516d7d209c1a8cde23062c0f10625f19e8dc9fb59268859778d7d7",
+                "sha256:c8fe2d6ff0ff583784039d0255ea7da076efd08507f2be6f68583b0da32e3afb",
+                "sha256:cadfa2c2cf54d35d13dc8d231253b7985b97d629ab9ca6e7d672c35539d38163",
+                "sha256:cd1bdace1a8762534e9a36c073cd54e97d517a17d69a17985961265be6d22847",
+                "sha256:ddbdcd10eb999d7ab292677f588b658372aadb9a52790f82484a37127a390108",
+                "sha256:e7273c64bccfd9310e9601b8f4511d84730239516bada26a0c9846c9697617ef",
+                "sha256:e7428977763150b4cf83255625a80a23dfdc94d43be7791ce90799d446b4e26f",
+                "sha256:e960e8be509e8d6d618300a6c189555c24efde63e85acaf0b14b2cd1ac743315",
+                "sha256:ecb5dd5990cec6e7f5c9c1124a37cb2c710c6d69b0c1a5c4aa4b35eba0ada068",
+                "sha256:ef3f5e288aa57b73b034ce9c1f1ac753d968f9069cd0742d1d69c698a0167166",
+                "sha256:fa5b2dee0e231fa4ad117be114251bdfe6afe39213bd629d43deb117b6a6c40a",
+                "sha256:fa7fb7973c622b9e725bee1db569d2c2ee64d2f9a089201c5e8185d482c7352d"
             ],
-            "version": "==1.3.1"
+            "version": "==1.5.2"
         },
         "mccabe": {
             "hashes": [
@@ -135,43 +130,47 @@
             "index": "pypi",
             "version": "==2.3.1"
         },
-        "six": {
-            "hashes": [
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-                "sha256:d16a0141ec1a18405cd4ce8b4613101da75da0e9a7aec5bdd4fa804d0e0eba73"
-            ],
-            "version": "==1.12.0"
-        },
         "typed-ast": {
             "hashes": [
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+                "sha256:cc7b98bf58167b7f2db91a4327da24fb93368838eb84a44c472283778fc2446b",
+                "sha256:cf54cfa843f297991b7388c281cb3855d911137223c6b6d2dd82a47ae5125a41",
+                "sha256:d003156bb6a59cda9050e983441b7fa2487f7800d76bdc065566b7d728b4581a",
+                "sha256:d175297e9533d8d37437abc14e8a83cbc68af93cc9c1c59c2c292ec59a0697a3",
+                "sha256:d746a437cdbca200622385305aedd9aef68e8a645e385cc483bdc5e488f07166",
+                "sha256:e683e409e5c45d5c9082dc1daf13f6374300806240719f95dc783d1fc942af10"
             ],
-            "markers": "implementation_name == 'cpython'",
-            "version": "==1.3.1"
+            "markers": "implementation_name == 'cpython' and python_version < '3.8'",
+            "version": "==1.4.2"
         },
         "wrapt": {
             "hashes": [
-                "sha256:4aea003270831cceb8a90ff27c4031da6ead7ec1886023b80ce0dfe0adf61533"
+                "sha256:b62ffa81fb85f4332a4f609cab4ac40709470da05643a082ec1eb88e6d9b97d7"
             ],
-            "version": "==1.11.1"
+            "version": "==1.12.1"
         }
     }
 }