diff --git a/Pipfile.lock b/Pipfile.lock
index 7632eb0..439745e 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -23,16 +23,17 @@
         },
         "amqp": {
             "hashes": [
-                "sha256:aa4409446139676943a2eaa27d5f58caf750f4ca5a89f888c452afd86be6a67d",
-                "sha256:cbb6f87d53cac612a594f982b717cc1c54c6a1e17943a0a0d32dc6cc9e2120c8"
+                "sha256:19a917e260178b8d410122712bac69cb3e6db010d68f6101e7307508aded5e68",
+                "sha256:19d851b879a471fcfdcf01df9936cff924f422baa77653289f7095dedd5fb26a"
             ],
-            "version": "==2.5.0"
+            "version": "==2.5.1"
         },
         "billiard": {
             "hashes": [
-                "sha256:756bf323f250db8bf88462cd042c992ba60d8f5e07fc5636c24ba7d6f4261d84"
+                "sha256:01afcb4e7c4fd6480940cfbd4d9edc19d7a7509d6ada533984d0d0f49901ec82",
+                "sha256:b8809c74f648dfe69b973c8e660bcec00603758c9db8ba89d7719f88d5f01f26"
             ],
-            "version": "==3.6.0.0"
+            "version": "==3.6.1.0"
         },
         "blinker": {
             "hashes": [
@@ -180,6 +181,13 @@
             ],
             "version": "==2.8"
         },
+        "importlib-metadata": {
+            "hashes": [
+                "sha256:23d3d873e008a513952355379d93cbcab874c58f4f034ff657c7a87422fa64e8",
+                "sha256:80d2de76188eabfbfcf27e6a37342c2827801e59c4cc14b0371c56fed43820e3"
+            ],
+            "version": "==0.19"
+        },
         "itsdangerous": {
             "hashes": [
                 "sha256:321b033d07f2a4136d3ec762eac9f16a10ccd60f53c0c91af90217ace7ba1f19",
@@ -196,16 +204,16 @@
         },
         "kombu": {
             "hashes": [
-                "sha256:55b71d3785def3470a16217fe0780f9e6f95e61bf9ad39ef8dce0177224eab77",
-                "sha256:eb365ea795cd7e629ba2f1f398e0c3ba354b91ef4de225ffdf6ab45fdfc7d581"
+                "sha256:55274dc75eb3c3994538b0973a0fadddb236b698a4bc135b8aa4981e0a710b8f",
+                "sha256:e5f0312dfb9011bebbf528ccaf118a6c2b5c3b8244451f08381fb23e7715809b"
             ],
-            "version": "==4.6.3"
+            "version": "==4.6.4"
         },
         "mako": {
             "hashes": [
-                "sha256:f5a642d8c5699269ab62a68b296ff990767eb120f51e2e8f3d6afb16bdb57f4b"
+                "sha256:a36919599a9b7dc5d86a7a8988f23a9a3a3d083070023bab23d64f7f1d1e0a4b"
             ],
-            "version": "==1.0.14"
+            "version": "==1.1.0"
         },
         "markupsafe": {
             "hashes": [
@@ -248,6 +256,13 @@
             "index": "pypi",
             "version": "==1.4.6"
         },
+        "more-itertools": {
+            "hashes": [
+                "sha256:409cd48d4db7052af495b09dec721011634af3753ae1ef92d2b32f73a745f832",
+                "sha256:92b8c4b06dac4f0611c0729b2f2ede52b2e1bac1ab48f089c7ddc12e26bb60c4"
+            ],
+            "version": "==7.2.0"
+        },
         "pillow": {
             "hashes": [
                 "sha256:0804f77cb1e9b6dbd37601cee11283bba39a8d44b9ddb053400c58e0c0d7d9de",
@@ -399,6 +414,13 @@
                 "sha256:a13b74dd3c45f758d4ebdb224be8f1ab8ef58b3c0ffc1783a8c7d9f4f50227e6"
             ],
             "version": "==0.15.5"
+        },
+        "zipp": {
+            "hashes": [
+                "sha256:3718b1cbcd963c7d4c5511a8240812904164b7f381b647143a89d3b98f9bcd8e",
+                "sha256:f06903e9f1f43b12d371004b4ac7b06ab39a44adc747266928ae6debfa7b3335"
+            ],
+            "version": "==0.6.0"
         }
     },
     "develop": {
@@ -440,40 +462,41 @@
         },
         "coverage": {
             "hashes": [
-                "sha256:3684fabf6b87a369017756b551cef29e505cb155ddb892a7a29277b978da88b9",
-                "sha256:39e088da9b284f1bd17c750ac672103779f7954ce6125fd4382134ac8d152d74",
-                "sha256:3c205bc11cc4fcc57b761c2da73b9b72a59f8d5ca89979afb0c1c6f9e53c7390",
-                "sha256:465ce53a8c0f3a7950dfb836438442f833cf6663d407f37d8c52fe7b6e56d7e8",
-                "sha256:48020e343fc40f72a442c8a1334284620f81295256a6b6ca6d8aa1350c763bbe",
-                "sha256:5296fc86ab612ec12394565c500b412a43b328b3907c0d14358950d06fd83baf",
-                "sha256:5f61bed2f7d9b6a9ab935150a6b23d7f84b8055524e7be7715b6513f3328138e",
-                "sha256:68a43a9f9f83693ce0414d17e019daee7ab3f7113a70c79a3dd4c2f704e4d741",
-                "sha256:6b8033d47fe22506856fe450470ccb1d8ba1ffb8463494a15cfc96392a288c09",
-                "sha256:7ad7536066b28863e5835e8cfeaa794b7fe352d99a8cded9f43d1161be8e9fbd",
-                "sha256:7bacb89ccf4bedb30b277e96e4cc68cd1369ca6841bde7b005191b54d3dd1034",
-                "sha256:839dc7c36501254e14331bcb98b27002aa415e4af7ea039d9009409b9d2d5420",
-                "sha256:8f9a95b66969cdea53ec992ecea5406c5bd99c9221f539bca1e8406b200ae98c",
-                "sha256:932c03d2d565f75961ba1d3cec41ddde00e162c5b46d03f7423edcb807734eab",
-                "sha256:988529edadc49039d205e0aa6ce049c5ccda4acb2d6c3c5c550c17e8c02c05ba",
-                "sha256:998d7e73548fe395eeb294495a04d38942edb66d1fa61eb70418871bc621227e",
-                "sha256:9de60893fb447d1e797f6bf08fdf0dbcda0c1e34c1b06c92bd3a363c0ea8c609",
-                "sha256:9e80d45d0c7fcee54e22771db7f1b0b126fb4a6c0a2e5afa72f66827207ff2f2",
-                "sha256:a545a3dfe5082dc8e8c3eb7f8a2cf4f2870902ff1860bd99b6198cfd1f9d1f49",
-                "sha256:a5d8f29e5ec661143621a8f4de51adfb300d7a476224156a39a392254f70687b",
-                "sha256:aca06bfba4759bbdb09bf52ebb15ae20268ee1f6747417837926fae990ebc41d",
-                "sha256:bb23b7a6fd666e551a3094ab896a57809e010059540ad20acbeec03a154224ce",
-                "sha256:bfd1d0ae7e292105f29d7deaa9d8f2916ed8553ab9d5f39ec65bcf5deadff3f9",
-                "sha256:c62ca0a38958f541a73cf86acdab020c2091631c137bd359c4f5bddde7b75fd4",
-                "sha256:c709d8bda72cf4cd348ccec2a4881f2c5848fd72903c185f363d361b2737f773",
-                "sha256:c968a6aa7e0b56ecbd28531ddf439c2ec103610d3e2bf3b75b813304f8cb7723",
-                "sha256:df785d8cb80539d0b55fd47183264b7002077859028dfe3070cf6359bf8b2d9c",
-                "sha256:f406628ca51e0ae90ae76ea8398677a921b36f0bd71aab2099dfed08abd0322f",
-                "sha256:f46087bbd95ebae244a0eda01a618aff11ec7a069b15a3ef8f6b520db523dcf1",
-                "sha256:f8019c5279eb32360ca03e9fac40a12667715546eed5c5eb59eb381f2f501260",
-                "sha256:fc5f4d209733750afd2714e9109816a29500718b32dd9a5db01c0cb3a019b96a"
+                "sha256:08907593569fe59baca0bf152c43f3863201efb6113ecb38ce7e97ce339805a6",
+                "sha256:0be0f1ed45fc0c185cfd4ecc19a1d6532d72f86a2bac9de7e24541febad72650",
+                "sha256:141f08ed3c4b1847015e2cd62ec06d35e67a3ac185c26f7635f4406b90afa9c5",
+                "sha256:19e4df788a0581238e9390c85a7a09af39c7b539b29f25c89209e6c3e371270d",
+                "sha256:23cc09ed395b03424d1ae30dcc292615c1372bfba7141eb85e11e50efaa6b351",
+                "sha256:245388cda02af78276b479f299bbf3783ef0a6a6273037d7c60dc73b8d8d7755",
+                "sha256:331cb5115673a20fb131dadd22f5bcaf7677ef758741312bee4937d71a14b2ef",
+                "sha256:386e2e4090f0bc5df274e720105c342263423e77ee8826002dcffe0c9533dbca",
+                "sha256:3a794ce50daee01c74a494919d5ebdc23d58873747fa0e288318728533a3e1ca",
+                "sha256:60851187677b24c6085248f0a0b9b98d49cba7ecc7ec60ba6b9d2e5574ac1ee9",
+                "sha256:63a9a5fc43b58735f65ed63d2cf43508f462dc49857da70b8980ad78d41d52fc",
+                "sha256:6b62544bb68106e3f00b21c8930e83e584fdca005d4fffd29bb39fb3ffa03cb5",
+                "sha256:6ba744056423ef8d450cf627289166da65903885272055fb4b5e113137cfa14f",
+                "sha256:7494b0b0274c5072bddbfd5b4a6c6f18fbbe1ab1d22a41e99cd2d00c8f96ecfe",
+                "sha256:826f32b9547c8091679ff292a82aca9c7b9650f9fda3e2ca6bf2ac905b7ce888",
+                "sha256:93715dffbcd0678057f947f496484e906bf9509f5c1c38fc9ba3922893cda5f5",
+                "sha256:9a334d6c83dfeadae576b4d633a71620d40d1c379129d587faa42ee3e2a85cce",
+                "sha256:af7ed8a8aa6957aac47b4268631fa1df984643f07ef00acd374e456364b373f5",
+                "sha256:bf0a7aed7f5521c7ca67febd57db473af4762b9622254291fbcbb8cd0ba5e33e",
+                "sha256:bf1ef9eb901113a9805287e090452c05547578eaab1b62e4ad456fcc049a9b7e",
+                "sha256:c0afd27bc0e307a1ffc04ca5ec010a290e49e3afbe841c5cafc5c5a80ecd81c9",
+                "sha256:dd579709a87092c6dbee09d1b7cfa81831040705ffa12a1b248935274aee0437",
+                "sha256:df6712284b2e44a065097846488f66840445eb987eb81b3cc6e4149e7b6982e1",
+                "sha256:e07d9f1a23e9e93ab5c62902833bf3e4b1f65502927379148b6622686223125c",
+                "sha256:e2ede7c1d45e65e209d6093b762e98e8318ddeff95317d07a27a2140b80cfd24",
+                "sha256:e4ef9c164eb55123c62411f5936b5c2e521b12356037b6e1c2617cef45523d47",
+                "sha256:eca2b7343524e7ba246cab8ff00cab47a2d6d54ada3b02772e908a45675722e2",
+                "sha256:eee64c616adeff7db37cc37da4180a3a5b6177f5c46b187894e633f088fb5b28",
+                "sha256:ef824cad1f980d27f26166f86856efe11eff9912c4fed97d3804820d43fa550c",
+                "sha256:efc89291bd5a08855829a3c522df16d856455297cf35ae827a37edac45f466a7",
+                "sha256:fa964bae817babece5aa2e8c1af841bebb6d0b9add8e637548809d040443fee0",
+                "sha256:ff37757e068ae606659c28c3bd0d923f9d29a85de79bf25b2b34b148473b5025"
             ],
             "index": "pypi",
-            "version": "==4.5.3"
+            "version": "==4.5.4"
         },
         "idna": {
             "hashes": [
@@ -624,10 +647,10 @@
         },
         "zipp": {
             "hashes": [
-                "sha256:4970c3758f4e89a7857a973b1e2a5d75bcdc47794442f2e2dd4fe8e0466e809a",
-                "sha256:8a5712cfd3bb4248015eb3b0b3c54a5f6ee3f2425963ef2a0125b8bc40aafaec"
+                "sha256:3718b1cbcd963c7d4c5511a8240812904164b7f381b647143a89d3b98f9bcd8e",
+                "sha256:f06903e9f1f43b12d371004b4ac7b06ab39a44adc747266928ae6debfa7b3335"
             ],
-            "version": "==0.5.2"
+            "version": "==0.6.0"
         }
     }
 }
diff --git a/requirements-dev.txt b/requirements-dev.txt
index d0b8ae0..c3eb342 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -4,7 +4,7 @@ attrs==19.1.0
 certifi==2019.6.16
 chardet==3.0.4
 codecov==2.0.15
-coverage==4.5.3
+coverage==4.5.4
 idna==2.8
 importlib-metadata==0.19
 mirakuru==2.0.1
@@ -24,4 +24,4 @@ six==1.12.0
 urllib3==1.25.3
 versioneer==0.18
 wcwidth==0.1.7
-zipp==0.5.2
+zipp==0.6.0
diff --git a/requirements.txt b/requirements.txt
index f6d625b..9008ee7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 -i https://pypi.python.org/simple/
 alembic==1.0.10
-amqp==2.5.0
-billiard==3.6.0.0
+amqp==2.5.1
+billiard==3.6.1.0
 blinker==1.4
 brotli==1.0.7
 celery==4.3.0
@@ -18,12 +18,14 @@ flask==1.0.3
 gunicorn==19.9.0
 honcho==1.0.1
 idna==2.8
+importlib-metadata==0.19
 itsdangerous==1.1.0
 jinja2==2.10.1
-kombu==4.6.3
-mako==1.0.14
+kombu==4.6.4
+mako==1.1.0
 markupsafe==1.1.1
 mastodon.py==1.4.6
+more-itertools==7.2.0
 pillow==6.1.0
 psycopg2==2.8.3
 pyinotify==0.9.6 ; sys_platform == 'linux'
@@ -40,3 +42,4 @@ twitter==1.18.0
 urllib3==1.25.3
 vine==1.3.0
 werkzeug==0.15.5
+zipp==0.6.0