diff --git a/backend/Pipfile.lock b/backend/Pipfile.lock
index c76355e9..e68dbc60 100644
--- a/backend/Pipfile.lock
+++ b/backend/Pipfile.lock
@@ -32,11 +32,11 @@
         },
         "asgiref": {
             "hashes": [
-                "sha256:92906c611ce6c967347bbfea733f13d6313901d54dcca88195eaeb52b2a8e8ee",
-                "sha256:d1216dfbdfb63826470995d31caed36225dcaf34f182e0fa257a4dd9e86f1b78"
+                "sha256:4ef1ab46b484e3c706329cedeff284a5d40824200638503f5768edb6de7d58e9",
+                "sha256:ffc141aa908e6f175673e7b1b3b7af4fdb0ecb738fc5c8b88f69f055c2415214"
             ],
             "markers": "python_version >= '3.6'",
-            "version": "==3.3.4"
+            "version": "==3.4.1"
         },
         "async-timeout": {
             "hashes": [
@@ -48,11 +48,11 @@
         },
         "attrs": {
             "hashes": [
-                "sha256:31b2eced602aa8423c2aea9c76a724617ed67cf9513173fd3a4f03e3a929c7e6",
-                "sha256:832aa3cde19744e49938b91fea06d69ecb9e649c93ba974535d08ad92164f700"
+                "sha256:149e90d6d8ac20db7a955ad60cf0e6881a3f20d37096140088356da6c716b0b1",
+                "sha256:ef6aaac3ca6cd92904cdd0d83f629a15f18053ec84e6432106f7a4d04ae4f5fb"
             ],
-            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
-            "version": "==20.3.0"
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4'",
+            "version": "==21.2.0"
         },
         "autobahn": {
             "hashes": [
@@ -71,45 +71,53 @@
         },
         "cffi": {
             "hashes": [
-                "sha256:005a36f41773e148deac64b08f233873a4d0c18b053d37da83f6af4d9087b813",
-                "sha256:0857f0ae312d855239a55c81ef453ee8fd24136eaba8e87a2eceba644c0d4c06",
-                "sha256:1071534bbbf8cbb31b498d5d9db0f274f2f7a865adca4ae429e147ba40f73dea",
-                "sha256:158d0d15119b4b7ff6b926536763dc0714313aa59e320ddf787502c70c4d4bee",
-                "sha256:1f436816fc868b098b0d63b8920de7d208c90a67212546d02f84fe78a9c26396",
-                "sha256:2894f2df484ff56d717bead0a5c2abb6b9d2bf26d6960c4604d5c48bbc30ee73",
-                "sha256:29314480e958fd8aab22e4a58b355b629c59bf5f2ac2492b61e3dc06d8c7a315",
-                "sha256:34eff4b97f3d982fb93e2831e6750127d1355a923ebaeeb565407b3d2f8d41a1",
-                "sha256:35f27e6eb43380fa080dccf676dece30bef72e4a67617ffda586641cd4508d49",
-                "sha256:3d3dd4c9e559eb172ecf00a2a7517e97d1e96de2a5e610bd9b68cea3925b4892",
-                "sha256:43e0b9d9e2c9e5d152946b9c5fe062c151614b262fda2e7b201204de0b99e482",
-                "sha256:48e1c69bbacfc3d932221851b39d49e81567a4d4aac3b21258d9c24578280058",
-                "sha256:51182f8927c5af975fece87b1b369f722c570fe169f9880764b1ee3bca8347b5",
-                "sha256:58e3f59d583d413809d60779492342801d6e82fefb89c86a38e040c16883be53",
-                "sha256:5de7970188bb46b7bf9858eb6890aad302577a5f6f75091fd7cdd3ef13ef3045",
-                "sha256:65fa59693c62cf06e45ddbb822165394a288edce9e276647f0046e1ec26920f3",
-                "sha256:69e395c24fc60aad6bb4fa7e583698ea6cc684648e1ffb7fe85e3c1ca131a7d5",
-                "sha256:6c97d7350133666fbb5cf4abdc1178c812cb205dc6f41d174a7b0f18fb93337e",
-                "sha256:6e4714cc64f474e4d6e37cfff31a814b509a35cb17de4fb1999907575684479c",
-                "sha256:72d8d3ef52c208ee1c7b2e341f7d71c6fd3157138abf1a95166e6165dd5d4369",
-                "sha256:8ae6299f6c68de06f136f1f9e69458eae58f1dacf10af5c17353eae03aa0d827",
-                "sha256:8b198cec6c72df5289c05b05b8b0969819783f9418e0409865dac47288d2a053",
-                "sha256:99cd03ae7988a93dd00bcd9d0b75e1f6c426063d6f03d2f90b89e29b25b82dfa",
-                "sha256:9cf8022fb8d07a97c178b02327b284521c7708d7c71a9c9c355c178ac4bbd3d4",
-                "sha256:9de2e279153a443c656f2defd67769e6d1e4163952b3c622dcea5b08a6405322",
-                "sha256:9e93e79c2551ff263400e1e4be085a1210e12073a31c2011dbbda14bda0c6132",
-                "sha256:9ff227395193126d82e60319a673a037d5de84633f11279e336f9c0f189ecc62",
-                "sha256:a465da611f6fa124963b91bf432d960a555563efe4ed1cc403ba5077b15370aa",
-                "sha256:ad17025d226ee5beec591b52800c11680fca3df50b8b29fe51d882576e039ee0",
-                "sha256:afb29c1ba2e5a3736f1c301d9d0abe3ec8b86957d04ddfa9d7a6a42b9367e396",
-                "sha256:b85eb46a81787c50650f2392b9b4ef23e1f126313b9e0e9013b35c15e4288e2e",
-                "sha256:bb89f306e5da99f4d922728ddcd6f7fcebb3241fc40edebcb7284d7514741991",
-                "sha256:cbde590d4faaa07c72bf979734738f328d239913ba3e043b1e98fe9a39f8b2b6",
-                "sha256:cd2868886d547469123fadc46eac7ea5253ea7fcb139f12e1dfc2bbd406427d1",
-                "sha256:d42b11d692e11b6634f7613ad8df5d6d5f8875f5d48939520d351007b3c13406",
-                "sha256:f2d45f97ab6bb54753eab54fffe75aaf3de4ff2341c9daee1987ee1837636f1d",
-                "sha256:fd78e5fee591709f32ef6edb9a015b4aa1a5022598e36227500c8f4e02328d9c"
-            ],
-            "version": "==1.14.5"
+                "sha256:06c54a68935738d206570b20da5ef2b6b6d92b38ef3ec45c5422c0ebaf338d4d",
+                "sha256:0c0591bee64e438883b0c92a7bed78f6290d40bf02e54c5bf0978eaf36061771",
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+                "sha256:33791e8a2dc2953f28b8d8d300dde42dd929ac28f974c4b4c6272cb2955cb762",
+                "sha256:3c8d896becff2fa653dc4438b54a5a25a971d1f4110b32bd3068db3722c80202",
+                "sha256:4373612d59c404baeb7cbd788a18b2b2a8331abcc84c3ba40051fcd18b17a4d5",
+                "sha256:487d63e1454627c8e47dd230025780e91869cfba4c753a74fda196a1f6ad6548",
+                "sha256:48916e459c54c4a70e52745639f1db524542140433599e13911b2f329834276a",
+                "sha256:4922cd707b25e623b902c86188aca466d3620892db76c0bdd7b99a3d5e61d35f",
+                "sha256:55af55e32ae468e9946f741a5d51f9896da6b9bf0bbdd326843fec05c730eb20",
+                "sha256:57e555a9feb4a8460415f1aac331a2dc833b1115284f7ded7278b54afc5bd218",
+                "sha256:5d4b68e216fc65e9fe4f524c177b54964af043dde734807586cf5435af84045c",
+                "sha256:64fda793737bc4037521d4899be780534b9aea552eb673b9833b01f945904c2e",
+                "sha256:6d6169cb3c6c2ad50db5b868db6491a790300ade1ed5d1da29289d73bbe40b56",
+                "sha256:7bcac9a2b4fdbed2c16fa5681356d7121ecabf041f18d97ed5b8e0dd38a80224",
+                "sha256:80b06212075346b5546b0417b9f2bf467fea3bfe7352f781ffc05a8ab24ba14a",
+                "sha256:818014c754cd3dba7229c0f5884396264d51ffb87ec86e927ef0be140bfdb0d2",
+                "sha256:8eb687582ed7cd8c4bdbff3df6c0da443eb89c3c72e6e5dcdd9c81729712791a",
+                "sha256:99f27fefe34c37ba9875f224a8f36e31d744d8083e00f520f133cab79ad5e819",
+                "sha256:9f3e33c28cd39d1b655ed1ba7247133b6f7fc16fa16887b120c0c670e35ce346",
+                "sha256:a8661b2ce9694ca01c529bfa204dbb144b275a31685a075ce123f12331be790b",
+                "sha256:a9da7010cec5a12193d1af9872a00888f396aba3dc79186604a09ea3ee7c029e",
+                "sha256:aedb15f0a5a5949ecb129a82b72b19df97bbbca024081ed2ef88bd5c0a610534",
+                "sha256:b315d709717a99f4b27b59b021e6207c64620790ca3e0bde636a6c7f14618abb",
+                "sha256:ba6f2b3f452e150945d58f4badd92310449876c4c954836cfb1803bdd7b422f0",
+                "sha256:c33d18eb6e6bc36f09d793c0dc58b0211fccc6ae5149b808da4a62660678b156",
+                "sha256:c9a875ce9d7fe32887784274dd533c57909b7b1dcadcc128a2ac21331a9765dd",
+                "sha256:c9e005e9bd57bc987764c32a1bee4364c44fdc11a3cc20a40b93b444984f2b87",
+                "sha256:d2ad4d668a5c0645d281dcd17aff2be3212bc109b33814bbb15c4939f44181cc",
+                "sha256:d950695ae4381ecd856bcaf2b1e866720e4ab9a1498cba61c602e56630ca7195",
+                "sha256:e22dcb48709fc51a7b58a927391b23ab37eb3737a98ac4338e2448bef8559b33",
+                "sha256:e8c6a99be100371dbb046880e7a282152aa5d6127ae01783e37662ef73850d8f",
+                "sha256:e9dc245e3ac69c92ee4c167fbdd7428ec1956d4e754223124991ef29eb57a09d",
+                "sha256:eb687a11f0a7a1839719edd80f41e459cc5366857ecbed383ff376c4e3cc6afd",
+                "sha256:eb9e2a346c5238a30a746893f23a9535e700f8192a68c07c0258e7ece6ff3728",
+                "sha256:ed38b924ce794e505647f7c331b22a693bee1538fdf46b0222c4717b42f744e7",
+                "sha256:f0010c6f9d1a4011e429109fda55a225921e3206e7f62a0c22a35344bfd13cca",
+                "sha256:f0c5d1acbfca6ebdd6b1e3eded8d261affb6ddcf2186205518f1428b8569bb99",
+                "sha256:f10afb1004f102c7868ebfe91c28f4a712227fe4cb24974350ace1f90e1febbf",
+                "sha256:f174135f5609428cc6e1b9090f9268f5c8935fddb1b25ccb8255a2d50de6789e",
+                "sha256:f3ebe6e73c319340830a9b2825d32eb6d8475c1dac020b4f0aa774ee3b898d1c",
+                "sha256:f627688813d0a4140153ff532537fbe4afea5a3dffce1f9deb7f91f848a832b5",
+                "sha256:fd4305f86f53dfd8cd3522269ed7fc34856a8ee3709a5e28b2836b2db9d4cd69"
+            ],
+            "version": "==1.14.6"
         },
         "channels": {
             "hashes": [
@@ -136,21 +144,28 @@
         },
         "cryptography": {
             "hashes": [
-                "sha256:0f1212a66329c80d68aeeb39b8a16d54ef57071bf22ff4e521657b27372e327d",
-                "sha256:1e056c28420c072c5e3cb36e2b23ee55e260cb04eee08f702e0edfec3fb51959",
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-                "sha256:26965837447f9c82f1855e0bc8bc4fb910240b6e0d16a664bb722df3b5b06873",
-                "sha256:37340614f8a5d2fb9aeea67fd159bfe4f5f4ed535b1090ce8ec428b2f15a11f2",
-                "sha256:3d10de8116d25649631977cb37da6cbdd2d6fa0e0281d014a5b7d337255ca713",
-                "sha256:3d8427734c781ea5f1b41d6589c293089704d4759e34597dce91014ac125aad1",
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-                "sha256:eb8cc2afe8b05acbd84a43905832ec78e7b3873fb124ca190f574dca7389a87d",
-                "sha256:ee77aa129f481be46f8d92a1a7db57269a2f23052d5f2433b4621bb457081cc9"
+                "sha256:0a7dcbcd3f1913f664aca35d47c1331fce738d44ec34b7be8b9d332151b0b01e",
+                "sha256:1eb7bb0df6f6f583dd8e054689def236255161ebbcf62b226454ab9ec663746b",
+                "sha256:21ca464b3a4b8d8e86ba0ee5045e103a1fcfac3b39319727bc0fc58c09c6aff7",
+                "sha256:34dae04a0dce5730d8eb7894eab617d8a70d0c97da76b905de9efb7128ad7085",
+                "sha256:3520667fda779eb788ea00080124875be18f2d8f0848ec00733c0ec3bb8219fc",
+                "sha256:3c4129fc3fdc0fa8e40861b5ac0c673315b3c902bbdc05fc176764815b43dd1d",
+                "sha256:3fa3a7ccf96e826affdf1a0a9432be74dc73423125c8f96a909e3835a5ef194a",
+                "sha256:5b0fbfae7ff7febdb74b574055c7466da334a5371f253732d7e2e7525d570498",
+                "sha256:695104a9223a7239d155d7627ad912953b540929ef97ae0c34c7b8bf30857e89",
+                "sha256:8695456444f277af73a4877db9fc979849cd3ee74c198d04fc0776ebc3db52b9",
+                "sha256:94cc5ed4ceaefcbe5bf38c8fba6a21fc1d365bb8fb826ea1688e3370b2e24a1c",
+                "sha256:94fff993ee9bc1b2440d3b7243d488c6a3d9724cc2b09cdb297f6a886d040ef7",
+                "sha256:9965c46c674ba8cc572bc09a03f4c649292ee73e1b683adb1ce81e82e9a6a0fb",
+                "sha256:a00cf305f07b26c351d8d4e1af84ad7501eca8a342dedf24a7acb0e7b7406e14",
+                "sha256:a305600e7a6b7b855cd798e00278161b681ad6e9b7eca94c721d5f588ab212af",
+                "sha256:cd65b60cfe004790c795cc35f272e41a3df4631e2fb6b35aa7ac6ef2859d554e",
+                "sha256:d2a6e5ef66503da51d2110edf6c403dc6b494cc0082f85db12f54e9c5d4c3ec5",
+                "sha256:d9ec0e67a14f9d1d48dd87a2531009a9b251c02ea42851c060b25c782516ff06",
+                "sha256:f44d141b8c4ea5eb4dbc9b3ad992d45580c1d22bf5e24363f2fbf50c2d7ae8a7"
             ],
             "markers": "python_version >= '3.6'",
-            "version": "==3.4.7"
+            "version": "==3.4.8"
         },
         "daphne": {
             "hashes": [
@@ -161,11 +176,11 @@
         },
         "django": {
             "hashes": [
-                "sha256:c348b3ddc452bf4b62361f0752f71a339140c777ebea3cdaaaa8fdb7f417a862",
-                "sha256:f8393103e15ec2d2d313ccbb95a3f1da092f9f58d74ac1c61ca2ac0436ae1eac"
+                "sha256:9f8be75646f62204320b195062b1d696ba28aa3d45ee72fb7c888ffaebc5bdb2",
+                "sha256:a6e0d1ff11095b7394c079ade7094c73b2dc3df4a7a373c9b58ed73b77a97feb"
             ],
             "index": "pypi",
-            "version": "==3.1.8"
+            "version": "==3.1.13"
         },
         "django-cors-headers": {
             "hashes": [
@@ -185,10 +200,10 @@
         },
         "graphene": {
             "hashes": [
-                "sha256:09165f03e1591b76bf57b133482db9be6dac72c74b0a628d3c93182af9c5a896",
-                "sha256:2cbe6d4ef15cfc7b7805e0760a0e5b80747161ce1b0f990dfdc0d2cf497c12f9"
+                "sha256:3d446eb1237c551052bc31155cf1a3a607053e4f58c9172b83a1b597beaa0868",
+                "sha256:b9f2850e064eebfee9a3ef4a1f8aa0742848d97652173ab44c82cc8a62b9ed93"
             ],
-            "version": "==2.1.8"
+            "version": "==2.1.9"
         },
         "graphene-django": {
             "hashes": [
@@ -268,10 +283,10 @@
         },
         "idna": {
             "hashes": [
-                "sha256:5205d03e7bcbb919cc9c19885f9920d622ca52448306f2377daede5cf3faac16",
-                "sha256:c5b02147e01ea9920e6b0a3f1f7bb833612d507592c837a6c49552768f4054e1"
+                "sha256:14475042e284991034cb48e06f6851428fb14c4dc953acd9be9a5e95c7b6dd7a",
+                "sha256:467fbad99067910785144ce333826c71fb0e63a425657295239737f7ecd125f3"
             ],
-            "version": "==3.1"
+            "version": "==3.2"
         },
         "incremental": {
             "hashes": [
@@ -427,34 +442,34 @@
         },
         "service-identity": {
             "hashes": [
-                "sha256:001c0707759cb3de7e49c078a7c0c9cd12594161d3bf06b9c254fdcb1a60dc36",
-                "sha256:0858a54aabc5b459d1aafa8a518ed2081a285087f349fe3e55197989232e2e2d"
+                "sha256:6e6c6086ca271dc11b033d17c3a8bea9f24ebff920c587da090afc9519419d34",
+                "sha256:f0b0caac3d40627c3c04d7a51b6e06721857a0e10a8775f2d1d7e72901b3a7db"
             ],
-            "version": "==18.1.0"
+            "version": "==21.1.0"
         },
         "singledispatch": {
             "hashes": [
-                "sha256:58b46ce1cc4d43af0aac3ac9a047bdb0f44e05f0b2fa2eec755863331700c865",
-                "sha256:85c97f94c8957fa4e6dab113156c182fb346d56d059af78aad710bced15f16fb"
+                "sha256:bc77afa97c8a22596d6d4fc20f1b7bdd2b86edc2a65a4262bdd7cc3cc19aa989",
+                "sha256:c1a4d5c1da310c3fd8fccfb8d4e1cb7df076148fd5d858a819e37fffe44f3092"
             ],
             "markers": "python_version >= '2.6'",
-            "version": "==3.6.1"
+            "version": "==3.7.0"
         },
         "six": {
             "hashes": [
-                "sha256:30639c035cdb23534cd4aa2dd52c3bf48f06e5f4a941509c8bafd8ce11080259",
-                "sha256:8b74bedcbbbaca38ff6d7491d76f2b06b3592611af620f8426e82dddb04a5ced"
+                "sha256:1e61c37477a1626458e36f7b1d82aa5c9b094fa4802892072e49de9c60c4c926",
+                "sha256:8abb2f1d86890a2dfb989f9a77cfcfd3e47c2a354b01111771326f8aa26e0254"
             ],
             "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
-            "version": "==1.15.0"
+            "version": "==1.16.0"
         },
         "sqlparse": {
             "hashes": [
-                "sha256:017cde379adbd6a1f15a61873f43e8274179378e95ef3fede90b5aa64d304ed0",
-                "sha256:0f91fd2e829c44362cbcfab3e9ae12e22badaa8a29ad5ff599f9ec109f0454e8"
+                "sha256:0c00730c74263a94e5a9919ade150dfc3b19c574389985446148402998287dae",
+                "sha256:48719e356bb8b42991bdbb1e8b83223757b93789c00910a616a071910ca4a64d"
             ],
             "markers": "python_version >= '3.5'",
-            "version": "==0.4.1"
+            "version": "==0.4.2"
         },
         "text-unidecode": {
             "hashes": [
@@ -468,11 +483,11 @@
                 "tls"
             ],
             "hashes": [
-                "sha256:77544a8945cf69b98d2946689bbe0c75de7d145cdf11f391dd487eae8fc95a12",
-                "sha256:aab38085ea6cda5b378b519a0ec99986874921ee8881318626b0a3414bb2631e"
+                "sha256:13c1d1d2421ae556d91e81e66cf0d4f4e4e1e4a36a0486933bee4305c6a4fb9b",
+                "sha256:2cd652542463277378b0d349f47c62f20d9306e57d1247baabd6d1d38a109006"
             ],
-            "markers": "python_full_version >= '3.5.4'",
-            "version": "==21.2.0"
+            "markers": "python_full_version >= '3.6.7'",
+            "version": "==21.7.0"
         },
         "txaio": {
             "hashes": [
@@ -482,6 +497,14 @@
             "markers": "python_version >= '3.6'",
             "version": "==21.2.1"
         },
+        "typing-extensions": {
+            "hashes": [
+                "sha256:49f75d16ff11f1cd258e1b988ccff82a3ca5570217d7ad8c5f48205dd99a677e",
+                "sha256:d8226d10bc02a29bcc81df19a26e56a9647f8b0a6d4a83924139f4a8b01f17b7",
+                "sha256:f1d25edafde516b146ecd0613dabcc61409817af4766fbbcfb8d1ad4ec441a34"
+            ],
+            "version": "==3.10.0.2"
+        },
         "zope.interface": {
             "hashes": [
                 "sha256:08f9636e99a9d5410181ba0729e0408d3d8748026ea938f3b970a0249daa8192",
@@ -543,18 +566,18 @@
     "develop": {
         "attrs": {
             "hashes": [
-                "sha256:31b2eced602aa8423c2aea9c76a724617ed67cf9513173fd3a4f03e3a929c7e6",
-                "sha256:832aa3cde19744e49938b91fea06d69ecb9e649c93ba974535d08ad92164f700"
+                "sha256:149e90d6d8ac20db7a955ad60cf0e6881a3f20d37096140088356da6c716b0b1",
+                "sha256:ef6aaac3ca6cd92904cdd0d83f629a15f18053ec84e6432106f7a4d04ae4f5fb"
             ],
-            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
-            "version": "==20.3.0"
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4'",
+            "version": "==21.2.0"
         },
         "certifi": {
             "hashes": [
-                "sha256:1a4995114262bffbc2413b159f2a1a480c969de6e6eb13ee966d470af86af59c",
-                "sha256:719a74fb9e33b9bd44cc7f3a8d94bc35e4049deebe19ba7d8e108280cfd59830"
+                "sha256:2bbf76fd432960138b3ef6dda3dde0544f27cbf8546c458e60baf371917ba9ee",
+                "sha256:50b1e4f8446b06f41be7dd6338db18e0990601dce795c2b1686458aa7e8fa7d8"
             ],
-            "version": "==2020.12.5"
+            "version": "==2021.5.30"
         },
         "chardet": {
             "hashes": [
@@ -666,10 +689,10 @@
         },
         "idna": {
             "hashes": [
-                "sha256:5205d03e7bcbb919cc9c19885f9920d622ca52448306f2377daede5cf3faac16",
-                "sha256:c5b02147e01ea9920e6b0a3f1f7bb833612d507592c837a6c49552768f4054e1"
+                "sha256:14475042e284991034cb48e06f6851428fb14c4dc953acd9be9a5e95c7b6dd7a",
+                "sha256:467fbad99067910785144ce333826c71fb0e63a425657295239737f7ecd125f3"
             ],
-            "version": "==3.1"
+            "version": "==3.2"
         },
         "iniconfig": {
             "hashes": [
@@ -680,10 +703,11 @@
         },
         "packaging": {
             "hashes": [
-                "sha256:5b327ac1320dc863dca72f4514ecc086f31186744b84a230374cc1fd776feae5",
-                "sha256:67714da7f7bc052e064859c05c595155bd1ee9f69f76557e21f051443c20947a"
+                "sha256:7dc96269f53a4ccec5c0670940a4281106dd0bb343f47b7471f779df49c2fbe7",
+                "sha256:c86254f9220d55e31cc94d69bade760f0847da8000def4dfe1c6b872fd14ff14"
             ],
-            "version": "==20.9"
+            "markers": "python_version >= '3.6'",
+            "version": "==21.0"
         },
         "parameterized": {
             "hashes": [
@@ -751,11 +775,11 @@
         },
         "urllib3": {
             "hashes": [
-                "sha256:2f4da4594db7e1e110a944bb1b551fdf4e6c136ad42e4234131391e21eb5b0df",
-                "sha256:e7b021f7241115872f92f43c6508082facffbd1c048e3c6e2bb9c2a157e28937"
+                "sha256:4987c65554f7a2dbf30c18fd48778ef124af6fab771a377103da0585e2336ece",
+                "sha256:c4fdf4019605b6e5423637e01bc9fe4daef873709a7973e195ceba0a62bbc844"
             ],
             "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": "==1.26.4"
+            "version": "==1.26.7"
         },
         "websockets": {
             "hashes": [
diff --git a/backend/requirements.txt b/backend/requirements.txt
index 4b2189b6..f15d948f 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -1,42 +1,50 @@
+#
+# These requirements were autogenerated by pipenv
+# To regenerate from the project's Pipfile, run:
+#
+#    pipenv lock --requirements
+#
+
 -i https://pypi.org/simple/
 aioredis==1.3.1
 aniso8601==7.0.0
-asgiref==3.3.4
-async-timeout==3.0.1
-attrs==20.3.0
-autobahn==21.3.1
+asgiref==3.4.1; python_version >= '3.6'
+async-timeout==3.0.1; python_full_version >= '3.5.3'
+attrs==21.2.0; python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4'
+autobahn==21.3.1; python_version >= '3.7'
 automat==20.2.0
-cffi==1.14.5
+cffi==1.14.6
 channels-redis==3.0.1
 channels==2.4.0
 constantly==15.1.0
-cryptography==3.4.7
+cryptography==3.4.8; python_version >= '3.6'
 daphne==2.5.0
 django-cors-headers==3.5.0
 django-filter==2.4.0
-django==3.1.8
+django==3.1.13
 graphene-django==2.15.0
-graphene==2.1.8
+graphene==2.1.9
 graphql-core==2.3.2
 graphql-relay==2.0.1
-hiredis==2.0.0
+hiredis==2.0.0; python_version >= '3.6'
 hyperlink==21.0.0
-idna==3.1
+idna==3.2
 incremental==21.3.0
 msgpack==1.0.2
 promise==2.3
 psycopg2-binary==2.8.6
 pyasn1-modules==0.2.8
 pyasn1==0.4.8
-pycparser==2.20
+pycparser==2.20; python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'
 pyopenssl==20.0.1
 pytz==2021.1
 rx==1.6.1
-service-identity==18.1.0
-singledispatch==3.6.1
-six==1.15.0
-sqlparse==0.4.1
+service-identity==21.1.0
+singledispatch==3.7.0; python_version >= '2.6'
+six==1.16.0; python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'
+sqlparse==0.4.2; python_version >= '3.5'
 text-unidecode==1.3
-twisted[tls]==21.2.0
-txaio==21.2.1
-zope.interface==5.3.0
+twisted[tls]==21.7.0; python_full_version >= '3.6.7'
+txaio==21.2.1; python_version >= '3.6'
+typing-extensions==3.10.0.2
+zope.interface==5.4.0; python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4'