diff --git a/Pipfile b/Pipfile
index aae5f1506..8bacba7a4 100644
--- a/Pipfile
+++ b/Pipfile
@@ -39,7 +39,7 @@ scikit-learn="==0.24.0"
 # Prevent scipy updates because 1.6 is incompatible with python 3.6
 scipy="~=1.5.4"
 whitenoise = "~=5.2.0"
-watchdog = "*"
+watchdog = "~=1.0.0"
 whoosh="~=2.7.4"
 inotifyrecursive = "~=0.3.4"
 ocrmypdf = "~=11.6"
@@ -51,7 +51,6 @@ channels = "~=3.0"
 channels-redis = "*"
 uvicorn = {extras = ["standard"], version = "*"}
 concurrent-log-handler = "*"
-django-redis = "*"
 # uvloop 0.15+ incompatible with python 3.6
 uvloop = "~=0.14.0"
 # TODO: keep an eye on piwheel builds and update this once available (https://www.piwheels.org/project/cryptography/)
diff --git a/Pipfile.lock b/Pipfile.lock
index 9d1a75b88..fee6359da 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -1,7 +1,7 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "b3bed0a6b8981e8fffc1b6aa3bc35a0b1472f28e6f745c62469eb8045740e57b"
+            "sha256": "bd8b69979d91f4d8c52cac127c891d750c52959807220a98dcf74fed126bfa26"
         },
         "pipfile-spec": 6,
         "requires": {},
@@ -60,11 +60,11 @@
         },
         "autobahn": {
             "hashes": [
-                "sha256:93df8fc9d1821c9dabff9fed52181a9ad6eea5e9989d53102c391607d7c1666e",
-                "sha256:cceed2121b7a93024daa93c91fae33007f8346f0e522796421f36a6183abea99"
+                "sha256:41a3a3f89cde48643baf4e105d9491c566295f9abee951379e59121784044b8b",
+                "sha256:7e6b1bf95196b733978bab2d54a7ab8899c16ce11be369dc58422c07b7eea726"
             ],
             "markers": "python_version >= '3.6'",
-            "version": "==21.1.1"
+            "version": "==21.2.1"
         },
         "automat": {
             "hashes": [
@@ -90,47 +90,47 @@
         },
         "cffi": {
             "hashes": [
-                "sha256:00a1ba5e2e95684448de9b89888ccd02c98d512064b4cb987d48f4b40aa0421e",
-                "sha256:00e28066507bfc3fe865a31f325c8391a1ac2916219340f87dfad602c3e48e5d",
-                "sha256:045d792900a75e8b1e1b0ab6787dd733a8190ffcf80e8c8ceb2fb10a29ff238a",
-                "sha256:0638c3ae1a0edfb77c6765d487fee624d2b1ee1bdfeffc1f0b58c64d149e7eec",
-                "sha256:105abaf8a6075dc96c1fe5ae7aae073f4696f2905fde6aeada4c9d2926752362",
-                "sha256:155136b51fd733fa94e1c2ea5211dcd4c8879869008fc811648f16541bf99668",
-                "sha256:1a465cbe98a7fd391d47dce4b8f7e5b921e6cd805ef421d04f5f66ba8f06086c",
-                "sha256:1d2c4994f515e5b485fd6d3a73d05526aa0fcf248eb135996b088d25dfa1865b",
-                "sha256:23f318bf74b170c6e9adb390e8bd282457f6de46c19d03b52f3fd042b5e19654",
-                "sha256:2c24d61263f511551f740d1a065eb0212db1dbbbbd241db758f5244281590c06",
-                "sha256:51a8b381b16ddd370178a65360ebe15fbc1c71cf6f584613a7ea08bfad946698",
-                "sha256:594234691ac0e9b770aee9fcdb8fa02c22e43e5c619456efd0d6c2bf276f3eb2",
-                "sha256:5cf4be6c304ad0b6602f5c4e90e2f59b47653ac1ed9c662ed379fe48a8f26b0c",
-                "sha256:64081b3f8f6f3c3de6191ec89d7dc6c86a8a43911f7ecb422c60e90c70be41c7",
-                "sha256:6bc25fc545a6b3d57b5f8618e59fc13d3a3a68431e8ca5fd4c13241cd70d0009",
-                "sha256:798caa2a2384b1cbe8a2a139d80734c9db54f9cc155c99d7cc92441a23871c03",
-                "sha256:7c6b1dece89874d9541fc974917b631406233ea0440d0bdfbb8e03bf39a49b3b",
-                "sha256:7ef7d4ced6b325e92eb4d3502946c78c5367bc416398d387b39591532536734e",
-                "sha256:840793c68105fe031f34d6a086eaea153a0cd5c491cde82a74b420edd0a2b909",
-                "sha256:8d6603078baf4e11edc4168a514c5ce5b3ba6e3e9c374298cb88437957960a53",
-                "sha256:9cc46bc107224ff5b6d04369e7c595acb700c3613ad7bcf2e2012f62ece80c35",
-                "sha256:9f7a31251289b2ab6d4012f6e83e58bc3b96bd151f5b5262467f4bb6b34a7c26",
-                "sha256:9ffb888f19d54a4d4dfd4b3f29bc2c16aa4972f1c2ab9c4ab09b8ab8685b9c2b",
-                "sha256:a5ed8c05548b54b998b9498753fb9cadbfd92ee88e884641377d8a8b291bcc01",
-                "sha256:a7711edca4dcef1a75257b50a2fbfe92a65187c47dab5a0f1b9b332c5919a3fb",
-                "sha256:af5c59122a011049aad5dd87424b8e65a80e4a6477419c0c1015f73fb5ea0293",
-                "sha256:b18e0a9ef57d2b41f5c68beefa32317d286c3d6ac0484efd10d6e07491bb95dd",
-                "sha256:b4e248d1087abf9f4c10f3c398896c87ce82a9856494a7155823eb45a892395d",
-                "sha256:ba4e9e0ae13fc41c6b23299545e5ef73055213e466bd107953e4a013a5ddd7e3",
-                "sha256:be8661bcee1bc2fc4b033a6ab65bd1f87ce5008492601695d0b9a4e820c3bde5",
-                "sha256:c6332685306b6417a91b1ff9fae889b3ba65c2292d64bd9245c093b1b284809d",
-                "sha256:d5ff0621c88ce83a28a10d2ce719b2ee85635e85c515f12bac99a95306da4b2e",
-                "sha256:d9efd8b7a3ef378dd61a1e77367f1924375befc2eba06168b6ebfa903a5e59ca",
-                "sha256:df5169c4396adc04f9b0a05f13c074df878b6052430e03f50e68adf3a57aa28d",
-                "sha256:ebb253464a5d0482b191274f1c8bf00e33f7e0b9c66405fbffc61ed2c839c775",
-                "sha256:ec80dc47f54e6e9a78181ce05feb71a0353854cc26999db963695f950b5fb375",
-                "sha256:f032b34669220030f905152045dfa27741ce1a6db3324a5bc0b96b6c7420c87b",
-                "sha256:f60567825f791c6f8a592f3c6e3bd93dd2934e3f9dac189308426bd76b00ef3b",
-                "sha256:f803eaa94c2fcda012c047e62bc7a51b0bdabda1cad7a92a522694ea2d76e49f"
-            ],
-            "version": "==1.14.4"
+                "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",
+                "sha256:5560dbf8deedbffb638d8a2da31da91094db361cc07f8a501a339b2daae2cbcc",
+                "sha256:58e3f59d583d413809d60779492342801d6e82fefb89c86a38e040c16883be53",
+                "sha256:5de7970188bb46b7bf9858eb6890aad302577a5f6f75091fd7cdd3ef13ef3045",
+                "sha256:65fa59693c62cf06e45ddbb822165394a288edce9e276647f0046e1ec26920f3",
+                "sha256:69e395c24fc60aad6bb4fa7e583698ea6cc684648e1ffb7fe85e3c1ca131a7d5",
+                "sha256:6c97d7350133666fbb5cf4abdc1178c812cb205dc6f41d174a7b0f18fb93337e",
+                "sha256:6e4714cc64f474e4d6e37cfff31a814b509a35cb17de4fb1999907575684479c",
+                "sha256:72d8d3ef52c208ee1c7b2e341f7d71c6fd3157138abf1a95166e6165dd5d4369",
+                "sha256:8ae6299f6c68de06f136f1f9e69458eae58f1dacf10af5c17353eae03aa0d827",
+                "sha256:8b198cec6c72df5289c05b05b8b0969819783f9418e0409865dac47288d2a053",
+                "sha256:9338beed13d880320450d95c9e07ccf839faa3ea7b75d788f4ed46d845044a71",
+                "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"
         },
         "channels": {
             "hashes": [
@@ -273,15 +273,6 @@
             "index": "pypi",
             "version": "==1.3.4"
         },
-        "django-redis": {
-            "hashes": [
-                "sha256:1133b26b75baa3664164c3f44b9d5d133d1b8de45d94d79f38d1adc5b1d502e5",
-                "sha256:306589c7021e6468b2656edc89f62b8ba67e8d5a1c8877e2688042263daa7a63",
-                "sha256:f2b25b62cc95b63b7059aaf8e81710e7eea94678e545d31c46e47a6f4af99e56"
-            ],
-            "index": "pypi",
-            "version": "==4.12.1"
-        },
         "djangorestframework": {
             "hashes": [
                 "sha256:0209bafcb7b5010fdfec784034f059d512256424de2a0f084cb82b096d6dd6a7",
@@ -1113,11 +1104,11 @@
         },
         "tqdm": {
             "hashes": [
-                "sha256:2874fa525c051177583ec59c0fb4583e91f28ccd3f217ffad2acdb32d2c789ac",
-                "sha256:ab9b659241d82b8b51b2269ee243ec95286046bf06015c4e15a947cc15914211"
+                "sha256:11d544652edbdfc9cc41aa4c8a5c166513e279f3f2d9f1a9e1c89935b51de6ff",
+                "sha256:a89be573bfddb81bb0b395a416d5e55e3ecc73ce95a368a4f6360bedea33195e"
             ],
             "index": "pypi",
-            "version": "==4.56.1"
+            "version": "==4.56.2"
         },
         "twisted": {
             "extras": [
@@ -1649,11 +1640,11 @@
         },
         "pygments": {
             "hashes": [
-                "sha256:bc9591213a8f0e0ca1a5e68a479b4887fdc3e75d0774e5c71c31920c427de435",
-                "sha256:df49d09b498e83c1a73128295860250b0b7edd4c723a32e9bc0d295c7c2ec337"
+                "sha256:37a13ba168a02ac54cc5891a42b1caec333e59b66addb7fa633ea8a6d73445c0",
+                "sha256:b21b072d0ccdf29297a82a2363359d99623597b8a265b8081760e4d0f7153c88"
             ],
             "markers": "python_version >= '3.5'",
-            "version": "==2.7.4"
+            "version": "==2.8.0"
         },
         "pyparsing": {
             "hashes": [
diff --git a/requirements.txt b/requirements.txt
index cf63b4660..0a0ae75c0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -12,11 +12,11 @@ arrow==0.17.0; python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2,
 asgiref==3.3.1; python_version >= '3.5'
 async-timeout==3.0.1; python_full_version >= '3.5.3'
 attrs==20.3.0; python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'
-autobahn==21.1.1; python_version >= '3.6'
+autobahn==21.2.1; python_version >= '3.6'
 automat==20.2.0
 blessed==1.17.12
 certifi==2020.12.5
-cffi==1.14.4
+cffi==1.14.5
 channels-redis==3.2.0
 channels==3.0.3
 chardet==4.0.0; python_version >= '3.1'
@@ -32,7 +32,6 @@ django-extensions==3.1.1
 django-filter==2.4.0
 django-picklefield==3.0.1; python_version >= '3'
 django-q==1.3.4
-django-redis==4.12.1
 django==3.1.6
 djangorestframework==3.12.2
 filelock==3.0.12
@@ -87,7 +86,7 @@ sortedcontainers==2.3.0
 sqlparse==0.4.1; python_version >= '3.5'
 threadpoolctl==2.1.0; python_version >= '3.5'
 tika==1.24
-tqdm==4.56.1
+tqdm==4.56.2
 twisted[tls]==20.3.0; python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4'
 txaio==20.12.1; python_version >= '3.6'
 tzlocal==2.1