diff --git a/backend/Pipfile.lock b/backend/Pipfile.lock
index 91a1c32..1f195c9 100644
--- a/backend/Pipfile.lock
+++ b/backend/Pipfile.lock
@@ -18,17 +18,18 @@
     "default": {
         "asgiref": {
             "hashes": [
-                "sha256:7e06d934a7718bf3975acbf87780ba678957b87c7adc056f13b6215d610695a0",
-                "sha256:ea448f92fc35a0ef4b1508f53a04c4670255a3f33d22a81c8fc9c872036adbe5"
+                "sha256:92906c611ce6c967347bbfea733f13d6313901d54dcca88195eaeb52b2a8e8ee",
+                "sha256:d1216dfbdfb63826470995d31caed36225dcaf34f182e0fa257a4dd9e86f1b78"
             ],
-            "version": "==3.2.3"
+            "markers": "python_version >= '3.6'",
+            "version": "==3.3.4"
         },
         "certifi": {
             "hashes": [
-                "sha256:017c25db2a153ce562900032d5bc68e9f191e44e9a0f762f373977de9df1fbb3",
-                "sha256:25b64c7da4cd7479594d035c08c2d809eb4aab3a26e5a990ea98cc450c320f1f"
+                "sha256:2bbf76fd432960138b3ef6dda3dde0544f27cbf8546c458e60baf371917ba9ee",
+                "sha256:50b1e4f8446b06f41be7dd6338db18e0990601dce795c2b1686458aa7e8fa7d8"
             ],
-            "version": "==2019.11.28"
+            "version": "==2021.5.30"
         },
         "chardet": {
             "hashes": [
@@ -39,11 +40,11 @@
         },
         "django": {
             "hashes": [
-                "sha256:2f1ba1db8648484dd5c238fb62504777b7ad090c81c5f1fd8d5eb5ec21b5f283",
-                "sha256:c91c91a7ad6ef67a874a4f76f58ba534f9208412692a840e1d125eb5c279cb0a"
+                "sha256:a523d62b7ab2908f551dabc32b99017a86aa7784e32b761708e52be3dce6d35d",
+                "sha256:dc41bf07357f1f4810c1c555b685cb51f780b41e37892d6cc92b89789f2847e1"
             ],
             "index": "pypi",
-            "version": "==3.0.3"
+            "version": "==3.1.12"
         },
         "djangorestframework": {
             "hashes": [
@@ -130,14 +131,15 @@
                 "sha256:73ebfe9dbf22e832286dafa60473e4cd239f8592f699aa5adaf10050e6e1823c",
                 "sha256:75bb3f31ea686f1197762692a9ee6a7550b59fc6ca3a1f4b5d7e32fb98e2da2a"
             ],
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
             "version": "==2.8.1"
         },
         "pytz": {
             "hashes": [
-                "sha256:1c557d7d0e871de1f5ccd5833f60fb2550652da6be2693c1e02300743d21500d",
-                "sha256:b02c06db6cf09c12dd25137e563b31700d3b80fcc4ad23abb7a315f2789819be"
+                "sha256:83a4a90894bf38e243cf052c8b58f381bfe9a7a483f6a9cab140bc7f702ac4da",
+                "sha256:eb10ce3e7736052ed3623d49975ce333bcd712c7bb19a58b9e2089d4057d0798"
             ],
-            "version": "==2019.3"
+            "version": "==2021.1"
         },
         "requests": {
             "hashes": [
@@ -174,40 +176,53 @@
         },
         "six": {
             "hashes": [
-                "sha256:236bdbdce46e6e6a3d61a337c0f8b763ca1e8717c03b369e87a7ec7ce1319c0a",
-                "sha256:8f3cd2e254d8f793e7f3d6d9df77b92252b52637291d0f0da013c76ea2724b6c"
+                "sha256:1e61c37477a1626458e36f7b1d82aa5c9b094fa4802892072e49de9c60c4c926",
+                "sha256:8abb2f1d86890a2dfb989f9a77cfcfd3e47c2a354b01111771326f8aa26e0254"
             ],
-            "version": "==1.14.0"
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
+            "version": "==1.16.0"
         },
         "sqlparse": {
             "hashes": [
-                "sha256:40afe6b8d4b1117e7dff5504d7a8ce07d9a1b15aeeade8a2d10f130a834f8177",
-                "sha256:7c3dca29c022744e95b547e867cee89f4fce4373f3549ccd8797d8eb52cdb873"
+                "sha256:017cde379adbd6a1f15a61873f43e8274179378e95ef3fede90b5aa64d304ed0",
+                "sha256:0f91fd2e829c44362cbcfab3e9ae12e22badaa8a29ad5ff599f9ec109f0454e8"
             ],
-            "version": "==0.3.0"
+            "markers": "python_version >= '3.5'",
+            "version": "==0.4.1"
+        },
+        "typing-extensions": {
+            "hashes": [
+                "sha256:0ac0f89795dd19de6b97debb0c6af1c70987fd80a2d62d1958f7e56fcc31b497",
+                "sha256:50b6f157849174217d0656f99dc82fe932884fb250826c18350e159ec6cdf342",
+                "sha256:779383f6086d90c99ae41cf0ff39aac8a7937a9283ce0a414e5dd782f4c94a84"
+            ],
+            "markers": "python_version < '3.8'",
+            "version": "==3.10.0.0"
         },
         "urllib3": {
             "hashes": [
-                "sha256:2f3db8b19923a873b3e5256dc9c2dedfa883e33d87c690d9c7913e1f40673cdc",
-                "sha256:87716c2d2a7121198ebcb7ce7cccf6ce5e9ba539041cfbaeecfb641dc0bf6acc"
+                "sha256:8d7eaa5a82a1cac232164990f04874c594c9453ec55eef02eab885aa02fc17a2",
+                "sha256:f5321fbe4bf3fefa0efd0bfe7fb14e90909eb62a48ccda331726b4319897dd5e"
             ],
-            "version": "==1.25.8"
+            "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": "==1.25.11"
         }
     },
     "develop": {
         "backcall": {
             "hashes": [
-                "sha256:38ecd85be2c1e78f77fd91700c76e14667dc21e2713b63876c0eb901196e01e4",
-                "sha256:bbbf4b1e5cd2bdb08f915895b51081c041bac22394fdfcfdfbe9f14b77c08bf2"
+                "sha256:5cbdbf27be5e7cfadb448baf0aa95508f91f2bbc6c6437cd9cd06e2a4c215e1e",
+                "sha256:fbbce6a29f263178a1f7915c1940bde0ec2b2a967566fe1c65c1dfb7422bd255"
             ],
-            "version": "==0.1.0"
+            "version": "==0.2.0"
         },
         "decorator": {
             "hashes": [
-                "sha256:54c38050039232e1db4ad7375cfce6748d7b41c29e95a081c8a6d2c30364a2ce",
-                "sha256:5d19b92a3c8f7f101c8dd86afd86b0f061a8ce4540ab8cd401fa2542756bce6d"
+                "sha256:6e5c199c16f7a9f0e3a61a4a54b3d27e7dad0dbdde92b944426cb20914376323",
+                "sha256:72ecfba4320a893c53f9706bebb2d55c270c1e51a28789361aa93e4a21319ed5"
             ],
-            "version": "==4.4.1"
+            "markers": "python_version >= '3.5'",
+            "version": "==5.0.9"
         },
         "ipdb": {
             "hashes": [
@@ -218,10 +233,11 @@
         },
         "ipython": {
             "hashes": [
-                "sha256:d9459e7237e2e5858738ff9c3e26504b79899b58a6d49e574d352493d80684c6",
-                "sha256:f6689108b1734501d3b59c84427259fd5ac5141afe2e846cfa8598eb811886c9"
+                "sha256:9bc24a99f5d19721fb8a2d1408908e9c0520a17fff2233ffe82620847f17f1b6",
+                "sha256:d513e93327cf8657d6467c81f1f894adc125334ffe0e4ddd1abbb1c78d828703"
             ],
-            "version": "==7.12.0"
+            "markers": "python_version >= '3.7'",
+            "version": "==7.24.1"
         },
         "ipython-genutils": {
             "hashes": [
@@ -232,17 +248,27 @@
         },
         "jedi": {
             "hashes": [
-                "sha256:b4f4052551025c6b0b0b193b29a6ff7bdb74c52450631206c262aef9f7159ad2",
-                "sha256:d5c871cb9360b414f981e7072c52c33258d598305280fef91c6cae34739d65d5"
+                "sha256:18456d83f65f400ab0c2d3319e48520420ef43b23a086fdc05dff34132f0fb93",
+                "sha256:92550a404bad8afed881a137ec9a461fed49eca661414be45059329614ed0707"
             ],
-            "version": "==0.16.0"
+            "markers": "python_version >= '3.6'",
+            "version": "==0.18.0"
+        },
+        "matplotlib-inline": {
+            "hashes": [
+                "sha256:5cf1176f554abb4fa98cb362aa2b55c500147e4bdbb07e3fda359143e1da0811",
+                "sha256:f41d5ff73c9f5385775d5c0bc13b424535c8402fe70ea8210f93e11f3683993e"
+            ],
+            "markers": "python_version >= '3.5'",
+            "version": "==0.1.2"
         },
         "parso": {
             "hashes": [
-                "sha256:56b2105a80e9c4df49de85e125feb6be69f49920e121406f15e7acde6c9dfc57",
-                "sha256:951af01f61e6dccd04159042a0706a31ad437864ec6e25d0d7a96a9fbb9b0095"
+                "sha256:12b83492c6239ce32ff5eed6d3639d6a536170723c6f3f1506869f1ace413398",
+                "sha256:a8c4922db71e4fdb90e0d0bc6e50f9b273d3397925e5e60a717e719201778d22"
             ],
-            "version": "==0.6.1"
+            "markers": "python_version >= '3.6'",
+            "version": "==0.8.2"
         },
         "pexpect": {
             "hashes": [
@@ -261,45 +287,41 @@
         },
         "prompt-toolkit": {
             "hashes": [
-                "sha256:a402e9bf468b63314e37460b68ba68243d55b2f8c4d0192f85a019af3945050e",
-                "sha256:c93e53af97f630f12f5f62a3274e79527936ed466f038953dfa379d4941f651a"
+                "sha256:bf00f22079f5fadc949f42ae8ff7f05702826a97059ffcc6281036ad40ac6f04",
+                "sha256:e1b4f11b9336a28fa11810bc623c357420f69dfdb6d2dac41ca2c21a55c033bc"
             ],
-            "version": "==3.0.3"
+            "markers": "python_full_version >= '3.6.1'",
+            "version": "==3.0.18"
         },
         "ptyprocess": {
             "hashes": [
-                "sha256:923f299cc5ad920c68f2bc0bc98b75b9f838b93b599941a6b63ddbc2476394c0",
-                "sha256:d7cc528d76e76342423ca640335bd3633420dc1366f258cb31d05e865ef5ca1f"
+                "sha256:4b41f3967fce3af57cc7e94b888626c18bf37a083e3651ca8feeb66d492fef35",
+                "sha256:5c5d0a3b48ceee0b48485e0c26037c0acd7d29765ca3fbb5cb3831d347423220"
             ],
-            "version": "==0.6.0"
+            "version": "==0.7.0"
         },
         "pygments": {
             "hashes": [
-                "sha256:2a3fe295e54a20164a9df49c75fa58526d3be48e14aceba6d6b1e8ac0bfd6f1b",
-                "sha256:98c8aa5a9f778fcd1026a17361ddaf7330d1b7c62ae97c3bb0ae73e0b9b6b0fe"
-            ],
-            "version": "==2.5.2"
-        },
-        "six": {
-            "hashes": [
-                "sha256:236bdbdce46e6e6a3d61a337c0f8b763ca1e8717c03b369e87a7ec7ce1319c0a",
-                "sha256:8f3cd2e254d8f793e7f3d6d9df77b92252b52637291d0f0da013c76ea2724b6c"
+                "sha256:a18f47b506a429f6f4b9df81bb02beab9ca21d0a5fee38ed15aef65f0545519f",
+                "sha256:d66e804411278594d764fc69ec36ec13d9ae9147193a1740cd34d272ca383b8e"
             ],
-            "version": "==1.14.0"
+            "markers": "python_version >= '3.5'",
+            "version": "==2.9.0"
         },
         "traitlets": {
             "hashes": [
-                "sha256:70b4c6a1d9019d7b4f6846832288f86998aa3b9207c6821f3578a6a6a467fe44",
-                "sha256:d023ee369ddd2763310e4c3eae1ff649689440d4ae59d7485eb4cfbbe3e359f7"
+                "sha256:178f4ce988f69189f7e523337a3e11d91c786ded9360174a3d9ca83e79bc5396",
+                "sha256:69ff3f9d5351f31a7ad80443c2674b7099df13cc41fc5fa6e2f6d3b0330b0426"
             ],
-            "version": "==4.3.3"
+            "markers": "python_version >= '3.7'",
+            "version": "==5.0.5"
         },
         "wcwidth": {
             "hashes": [
-                "sha256:8fd29383f539be45b20bd4df0dc29c20ba48654a41e661925e612311e9f3c603",
-                "sha256:f28b3e8a6483e5d49e7f8949ac1a78314e740333ae305b4ba5defd3e74fb37a8"
+                "sha256:beb4802a9cebb9144e99086eff703a642a13d6a0052920003a230f3294bbe784",
+                "sha256:c4d647b99872929fdb7bdcaa4fbe7f01413ed3d98077df798530e5b04f116c83"
             ],
-            "version": "==0.1.8"
+            "version": "==0.2.5"
         }
     }
 }