diff --git a/Pipfile b/Pipfile
index 17cce4c..d849fe4 100644
--- a/Pipfile
+++ b/Pipfile
@@ -6,7 +6,7 @@ verify_ssl = true
 [dev-packages]
 
 [packages]
-django = "==2.2.13"
+django = "==2.2.28"
 django-split-settings = "*"
 psycopg2 = "*"
 black = "==19.3b0"
diff --git a/Pipfile.lock b/Pipfile.lock
index 21c6fb7..286a269 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -1,7 +1,7 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "ed33ca34eb3e88e546bc9639449155463d572587eb31d2a96299e9541f7ee9a2"
+            "sha256": "922772019c8591e64f06b60b8c1ef4b518520cf6a50b0958f981b9e6ca85d136"
         },
         "pipfile-spec": 6,
         "requires": {
@@ -25,10 +25,11 @@
         },
         "attrs": {
             "hashes": [
-                "sha256:08a96c641c3a74e44eb59afb61a24f2cb9f4d7188748e76ba4bb5edfa3cb7d1c",
-                "sha256:f7b7ce16570fe9965acd6d30101a28f62fb4a7f9e926b3bbc9b61f8b04247e72"
+                "sha256:2d27e3784d7a565d36ab851fe94887c5eccd6a463168875832a1be79c82828b4",
+                "sha256:626ba8234211db98e869df76230a137c4c40a12d72445c45d5f5b716f076e2fd"
             ],
-            "version": "==19.3.0"
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4'",
+            "version": "==21.4.0"
         },
         "backports.csv": {
             "hashes": [
@@ -55,18 +56,19 @@
         },
         "defusedxml": {
             "hashes": [
-                "sha256:6687150770438374ab581bb7a1b327a847dd9c5749e396102de3fad4e8a3ef93",
-                "sha256:f684034d135af4c6cbb949b8a4d2ed61634515257a67299e5f940fbaa34377f5"
+                "sha256:1bb3032db185915b62d7c6209c5a8792be6a32ab2fedacc84e01b52c51aa3e69",
+                "sha256:a352e7e428770286cc899e2542b6cdaedb2b4953ff269a210103ec58f6198a61"
             ],
-            "version": "==0.6.0"
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4'",
+            "version": "==0.7.1"
         },
         "django": {
             "hashes": [
-                "sha256:84f370f6acedbe1f3c41e1a02de44ac206efda3355e427139ecb785b5f596d80",
-                "sha256:e8fe3c2b2212dce6126becab7a693157f1a441a07b62ec994c046c76af5bb66d"
+                "sha256:0200b657afbf1bc08003845ddda053c7641b9b24951e52acd51f6abda33a7413",
+                "sha256:365429d07c1336eb42ba15aa79f45e1c13a0b04d5c21569e7d596696418a6a45"
             ],
             "index": "pypi",
-            "version": "==2.2.13"
+            "version": "==2.2.28"
         },
         "django-cleanup": {
             "hashes": [
@@ -94,28 +96,26 @@
         },
         "et-xmlfile": {
             "hashes": [
-                "sha256:614d9722d572f6246302c4491846d2c393c199cfa4edc9af593437691683335b"
+                "sha256:8eb9e2bc2f8c97e37a2dc85a09ecdcdec9d8a396530a6d5a33b30b9a92da0c5c",
+                "sha256:a2ba85d1d6a74ef63837eed693bcb89c3f752169b0e3e7ae5b16ca5e1b3deada"
             ],
-            "version": "==1.0.1"
-        },
-        "jdcal": {
-            "hashes": [
-                "sha256:1abf1305fce18b4e8aa248cf8fe0c56ce2032392bc64bbd61b5dff2a19ec8bba",
-                "sha256:472872e096eb8df219c23f2689fc336668bdb43d194094b5cc1707e1640acfc8"
-            ],
-            "version": "==1.4.1"
+            "markers": "python_version >= '3.6'",
+            "version": "==1.1.0"
         },
         "odfpy": {
             "hashes": [
-                "sha256:db766a6e59c5103212f3cc92ec8dd50a0f3a02790233ed0b52148b70d3c438ec"
+                "sha256:db766a6e59c5103212f3cc92ec8dd50a0f3a02790233ed0b52148b70d3c438ec",
+                "sha256:fc3b8d1bc098eba4a0fda865a76d9d1e577c4ceec771426bcb169a82c5e9dfe0"
             ],
             "version": "==1.4.1"
         },
         "openpyxl": {
             "hashes": [
-                "sha256:547a9fc6aafcf44abe358b89ed4438d077e9d92e4f182c87e2dc294186dc4b64"
+                "sha256:40f568b9829bf9e446acfffce30250ac1fa39035124d55fc024025c41481c90f",
+                "sha256:8f3b11bd896a95468a4ab162fc4fcd260d46157155d1f8bfaabb99d88cfcf79f"
             ],
-            "version": "==3.0.3"
+            "markers": "python_version >= '3.6'",
+            "version": "==3.0.9"
         },
         "psycopg2": {
             "hashes": [
@@ -178,26 +178,49 @@
         },
         "pytz": {
             "hashes": [
-                "sha256:a494d53b6d39c3c6e44c3bec237336e14305e4f29bbf800b599253057fbb79ed",
-                "sha256:c35965d010ce31b23eeb663ed3cc8c906275d6be1a34393a1d73a41febf4a048"
+                "sha256:1e760e2fe6a8163bc0b3d9a19c4f84342afa0a2affebfaa84b01b978a02ecaa7",
+                "sha256:e68985985296d9a66a881eb3193b0906246245294a881e7c8afe623866ac6a5c"
             ],
-            "version": "==2020.1"
+            "version": "==2022.1"
         },
         "pyyaml": {
             "hashes": [
-                "sha256:06a0d7ba600ce0b2d2fe2e78453a470b5a6e000a985dd4a4e54e436cc36b0e97",
-                "sha256:240097ff019d7c70a4922b6869d8a86407758333f02203e0fc6ff79c5dcede76",
-                "sha256:4f4b913ca1a7319b33cfb1369e91e50354d6f07a135f3b901aca02aa95940bd2",
-                "sha256:69f00dca373f240f842b2931fb2c7e14ddbacd1397d57157a9b005a6a9942648",
-                "sha256:73f099454b799e05e5ab51423c7bcf361c58d3206fa7b0d555426b1f4d9a3eaf",
-                "sha256:74809a57b329d6cc0fdccee6318f44b9b8649961fa73144a98735b0aaf029f1f",
-                "sha256:7739fc0fa8205b3ee8808aea45e968bc90082c10aef6ea95e855e10abf4a37b2",
-                "sha256:95f71d2af0ff4227885f7a6605c37fd53d3a106fcab511b8860ecca9fcf400ee",
-                "sha256:b8eac752c5e14d3eca0e6dd9199cd627518cb5ec06add0de9d32baeee6fe645d",
-                "sha256:cc8955cfbfc7a115fa81d85284ee61147059a753344bc51098f3ccd69b0d7e0c",
-                "sha256:d13155f591e6fcc1ec3b30685d50bf0711574e2c0dfffd7644babf8b5102ca1a"
+                "sha256:0283c35a6a9fbf047493e3a0ce8d79ef5030852c51e9d911a27badfde0605293",
+                "sha256:055d937d65826939cb044fc8c9b08889e8c743fdc6a32b33e2390f66013e449b",
+                "sha256:07751360502caac1c067a8132d150cf3d61339af5691fe9e87803040dbc5db57",
+                "sha256:0b4624f379dab24d3725ffde76559cff63d9ec94e1736b556dacdfebe5ab6d4b",
+                "sha256:0ce82d761c532fe4ec3f87fc45688bdd3a4c1dc5e0b4a19814b9009a29baefd4",
+                "sha256:1e4747bc279b4f613a09eb64bba2ba602d8a6664c6ce6396a4d0cd413a50ce07",
+                "sha256:213c60cd50106436cc818accf5baa1aba61c0189ff610f64f4a3e8c6726218ba",
+                "sha256:231710d57adfd809ef5d34183b8ed1eeae3f76459c18fb4a0b373ad56bedcdd9",
+                "sha256:277a0ef2981ca40581a47093e9e2d13b3f1fbbeffae064c1d21bfceba2030287",
+                "sha256:2cd5df3de48857ed0544b34e2d40e9fac445930039f3cfe4bcc592a1f836d513",
+                "sha256:40527857252b61eacd1d9af500c3337ba8deb8fc298940291486c465c8b46ec0",
+                "sha256:473f9edb243cb1935ab5a084eb238d842fb8f404ed2193a915d1784b5a6b5fc0",
+                "sha256:48c346915c114f5fdb3ead70312bd042a953a8ce5c7106d5bfb1a5254e47da92",
+                "sha256:50602afada6d6cbfad699b0c7bb50d5ccffa7e46a3d738092afddc1f9758427f",
+                "sha256:68fb519c14306fec9720a2a5b45bc9f0c8d1b9c72adf45c37baedfcd949c35a2",
+                "sha256:77f396e6ef4c73fdc33a9157446466f1cff553d979bd00ecb64385760c6babdc",
+                "sha256:819b3830a1543db06c4d4b865e70ded25be52a2e0631ccd2f6a47a2822f2fd7c",
+                "sha256:897b80890765f037df3403d22bab41627ca8811ae55e9a722fd0392850ec4d86",
+                "sha256:98c4d36e99714e55cfbaaee6dd5badbc9a1ec339ebfc3b1f52e293aee6bb71a4",
+                "sha256:9df7ed3b3d2e0ecfe09e14741b857df43adb5a3ddadc919a2d94fbdf78fea53c",
+                "sha256:9fa600030013c4de8165339db93d182b9431076eb98eb40ee068700c9c813e34",
+                "sha256:a80a78046a72361de73f8f395f1f1e49f956c6be882eed58505a15f3e430962b",
+                "sha256:b3d267842bf12586ba6c734f89d1f5b871df0273157918b0ccefa29deb05c21c",
+                "sha256:b5b9eccad747aabaaffbc6064800670f0c297e52c12754eb1d976c57e4f74dcb",
+                "sha256:c5687b8d43cf58545ade1fe3e055f70eac7a5a1a0bf42824308d868289a95737",
+                "sha256:cba8c411ef271aa037d7357a2bc8f9ee8b58b9965831d9e51baf703280dc73d3",
+                "sha256:d15a181d1ecd0d4270dc32edb46f7cb7733c7c508857278d3d378d14d606db2d",
+                "sha256:d4db7c7aef085872ef65a8fd7d6d09a14ae91f691dec3e87ee5ee0539d516f53",
+                "sha256:d4eccecf9adf6fbcc6861a38015c2a64f38b9d94838ac1810a9023a0609e1b78",
+                "sha256:d67d839ede4ed1b28a4e8909735fc992a923cdb84e618544973d7dfc71540803",
+                "sha256:daf496c58a8c52083df09b80c860005194014c3698698d1a57cbcfa182142a3a",
+                "sha256:e61ceaab6f49fb8bdfaa0f92c4b57bcfbea54c09277b1b4f7ac376bfb7a7c174",
+                "sha256:f84fbc98b019fef2ee9a1cb3ce93e3187a6df0b2538a651bfb890254ba9f90b5"
             ],
-            "version": "==5.3.1"
+            "markers": "python_version >= '3.6'",
+            "version": "==6.0"
         },
         "sarge": {
             "hashes": [
@@ -215,17 +238,19 @@
         },
         "six": {
             "hashes": [
-                "sha256:30639c035cdb23534cd4aa2dd52c3bf48f06e5f4a941509c8bafd8ce11080259",
-                "sha256:8b74bedcbbbaca38ff6d7491d76f2b06b3592611af620f8426e82dddb04a5ced"
+                "sha256:1e61c37477a1626458e36f7b1d82aa5c9b094fa4802892072e49de9c60c4c926",
+                "sha256:8abb2f1d86890a2dfb989f9a77cfcfd3e47c2a354b01111771326f8aa26e0254"
             ],
-            "version": "==1.15.0"
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
+            "version": "==1.16.0"
         },
         "sqlparse": {
             "hashes": [
-                "sha256:022fb9c87b524d1f7862b3037e541f68597a730a8843245c349fc93e1643dc4e",
-                "sha256:e162203737712307dfe78860cc56c8da8a852ab2ee33750e33aeadf38d12c548"
+                "sha256:0c00730c74263a94e5a9919ade150dfc3b19c574389985446148402998287dae",
+                "sha256:48719e356bb8b42991bdbb1e8b83223757b93789c00910a616a071910ca4a64d"
             ],
-            "version": "==0.3.1"
+            "markers": "python_version >= '3.5'",
+            "version": "==0.4.2"
         },
         "tablib": {
             "hashes": [
@@ -238,17 +263,19 @@
         "toml": {
             "hashes": [
                 "sha256:229f81c57791a41d65e399fc06bf0848bab550a9dfd5ed66df18ce5f05e73d5c",
-                "sha256:235682dd292d5899d361a811df37e04a8828a5b1da3115886b73cf81ebc9100e"
+                "sha256:235682dd292d5899d361a811df37e04a8828a5b1da3115886b73cf81ebc9100e",
+                "sha256:f1db651f9657708513243e61e6cc67d101a39bad662eaa9b5546f789338e07a3"
             ],
             "index": "pypi",
             "version": "==0.10.0"
         },
         "xlrd": {
             "hashes": [
-                "sha256:546eb36cee8db40c3eaa46c351e67ffee6eeb5fa2650b71bc4c758a29a1b29b2",
-                "sha256:e551fb498759fa3a5384a94ccd4c3c02eb7c00ea424426e212ac0c57be9dfbde"
+                "sha256:6a33ee89877bd9abc1158129f6e94be74e2679636b8a205b43b85206c3f0bbdd",
+                "sha256:f72f148f54442c6b056bf931dbc34f986fd0c3b0b6b5a58d013c9aef274d0c88"
             ],
-            "version": "==1.2.0"
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4, 3.5'",
+            "version": "==2.0.1"
         },
         "xlwt": {
             "hashes": [