diff --git a/package-lock.json b/package-lock.json
index 897432c15..6f1e2cd57 100644
--- a/package-lock.json
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-          "integrity": "sha512-OX8XqP7/1a9cqkxYw2yXss15f26NKWBpDXQd0/uK/KPqdQhxbPa994hnzjcE2VqQpDslf55723cKPUOGSmMY3g==",
+          "version": "4.1.1",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-4.1.1.tgz",
+          "integrity": "sha512-pYAIzeRo8J6KPEaJ0VWOh5Pzkbw/RetuzehGM7QRRX5he4fPHx2rdKMB256ehJCkX+XRQm16eZLqLNS8RSZXZw==",
           "requires": {
-            "ms": "2.0.0"
+            "ms": "^2.1.1"
           }
         },
         "isarray": {
           "version": "2.0.1",
           "resolved": "https://registry.npmjs.org/isarray/-/isarray-2.0.1.tgz",
           "integrity": "sha1-o32U7ZzaLVmGXJ92/llu4fM4dB4="
+        },
+        "ms": {
+          "version": "2.1.3",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.3.tgz",
+          "integrity": "sha512-6FlzubTLZG3J2a/NVCAleEhjzq5oxgHyaCU9yYXvcLsvoVaHJq/s5xXI6/XXP6tz7R9xAOtHnSO/tXtF3WRTlA=="
         }
       }
     },
@@ -4394,9 +4396,9 @@
       }
     },
     "tweetnacl": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/tweetnacl/-/tweetnacl-1.0.1.tgz",
-      "integrity": "sha512-kcoMoKTPYnoeS50tzoqjPY3Uv9axeuuFAZY9M/9zFnhoVvRfxz9K29IMPD7jGmt2c8SW7i3gT9WqDl2+nV7p4A=="
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/tweetnacl/-/tweetnacl-1.0.3.tgz",
+      "integrity": "sha512-6rt+RN7aOi1nGMyC4Xa5DdYiukl2UWCbcJft7YhxReBGQD7OAM8Pbxw6YMo4r2diNEA8FEmu32YOn9rhaiE5yw=="
     },
     "type-check": {
       "version": "0.3.2",
diff --git a/package.json b/package.json
index bc3584ff2..f78aa7f66 100644
--- a/package.json
+++ b/package.json
@@ -63,7 +63,7 @@
     "showdown": "^1.9.0",
     "showdown-xss-filter": "^0.2.0",
     "snekfetch": "^4.0.4",
-    "socket.io": "^2.2.0",
+    "socket.io": "^2.4.0",
     "tail": "^2.0.2",
     "text-diff": "^1.0.1",
     "toobusy-js": "^0.5.1",
diff --git a/yarn.lock b/yarn.lock
index 515b90deb..f7be339a4 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -479,17 +479,17 @@ balanced-match@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/balanced-match/-/balanced-match-1.0.0.tgz#89b4d199ab2bee49de164ea02b89ce462d71b767"
 
-base64-arraybuffer@0.1.5:
-  version "0.1.5"
-  resolved "https://registry.yarnpkg.com/base64-arraybuffer/-/base64-arraybuffer-0.1.5.tgz#73926771923b5a19747ad666aa5cd4bf9c6e9ce8"
+base64-arraybuffer@0.1.4:
+  version "0.1.4"
+  resolved "https://registry.yarnpkg.com/base64-arraybuffer/-/base64-arraybuffer-0.1.4.tgz#9818c79e059b1355f97e0428a017c838e90ba812"
 
 base64-js@^1.0.2:
   version "1.2.3"
   resolved "https://registry.yarnpkg.com/base64-js/-/base64-js-1.2.3.tgz#fb13668233d9614cf5fb4bce95a9ba4096cdf801"
 
-base64id@1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/base64id/-/base64id-1.0.0.tgz#47688cb99bb6804f0e06d3e763b1c32e57d8e6b6"
+base64id@2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/base64id/-/base64id-2.0.0.tgz#2770ac6bc47d312af97a8bf9a634342e0cd25cb6"
 
 bcrypt-pbkdf@^1.0.0:
   version "1.0.1"
@@ -497,19 +497,13 @@ bcrypt-pbkdf@^1.0.0:
   dependencies:
     tweetnacl "^0.14.3"
 
-better-assert@~1.0.0:
-  version "1.0.2"
-  resolved "https://registry.yarnpkg.com/better-assert/-/better-assert-1.0.2.tgz#40866b9e1b9e0b55b481894311e68faffaebc522"
-  dependencies:
-    callsite "1.0.0"
-
 bindings@^1.2.1:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/bindings/-/bindings-1.3.0.tgz#b346f6ecf6a95f5a815c5839fc7cdb22502f1ed7"
 
-blob@0.0.4:
-  version "0.0.4"
-  resolved "https://registry.yarnpkg.com/blob/-/blob-0.0.4.tgz#bcf13052ca54463f30f9fc7e95b9a47630a94921"
+blob@0.0.5:
+  version "0.0.5"
+  resolved "https://registry.yarnpkg.com/blob/-/blob-0.0.5.tgz#d680eeef25f8cd91ad533f5b01eed48e64caf683"
 
 bmp-js@^0.1.0:
   version "0.1.0"
@@ -583,10 +577,6 @@ bytes@3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/bytes/-/bytes-3.0.0.tgz#d32815404d689699f85a4ea4fa8755dd13a96048"
 
-callsite@1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/callsite/-/callsite-1.0.0.tgz#280398e5d664bd74038b6f0905153e6e8af1bc20"
-
 callsites@^3.0.0:
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/callsites/-/callsites-3.1.0.tgz#b3630abd8943432f54b3f0519238e33cd7df2f73"
@@ -785,6 +775,10 @@ component-emitter@1.2.1:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/component-emitter/-/component-emitter-1.2.1.tgz#137918d6d78283f7df7a6b7c5a63e140e69425e6"
 
+component-emitter@~1.3.0:
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/component-emitter/-/component-emitter-1.3.0.tgz#16e4070fba8ae29b679f2215853ee181ab2eabc0"
+
 component-inherit@0.0.3:
   version "0.0.3"
   resolved "https://registry.yarnpkg.com/component-inherit/-/component-inherit-0.0.3.tgz#645fc4adf58b72b649d5cae65135619db26ff143"
@@ -851,6 +845,10 @@ cookie@0.3.1:
   version "0.3.1"
   resolved "https://registry.yarnpkg.com/cookie/-/cookie-0.3.1.tgz#e7e0a1f9ef43b4c8ba925c5c5a96e806d16873bb"
 
+cookie@~0.4.1:
+  version "0.4.1"
+  resolved "https://registry.yarnpkg.com/cookie/-/cookie-0.4.1.tgz#afd713fe26ebd21ba95ceb61f9a8116e50a537d1"
+
 core-js@^2.5.7, core-js@^2.6.5:
   version "2.6.9"
   resolved "https://registry.yarnpkg.com/core-js/-/core-js-2.6.9.tgz#6b4b214620c834152e179323727fc19741b084f2"
@@ -1091,42 +1089,42 @@ encodeurl@~1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/encodeurl/-/encodeurl-1.0.2.tgz#ad3ff4c86ec2d029322f5a02c3a9a606c95b3f59"
 
-engine.io-client@~3.3.1:
-  version "3.3.2"
-  resolved "https://registry.yarnpkg.com/engine.io-client/-/engine.io-client-3.3.2.tgz#04e068798d75beda14375a264bb3d742d7bc33aa"
+engine.io-client@~3.5.0:
+  version "3.5.0"
+  resolved "https://registry.yarnpkg.com/engine.io-client/-/engine.io-client-3.5.0.tgz#fc1b4d9616288ce4f2daf06dcf612413dec941c7"
   dependencies:
-    component-emitter "1.2.1"
+    component-emitter "~1.3.0"
     component-inherit "0.0.3"
     debug "~3.1.0"
-    engine.io-parser "~2.1.1"
+    engine.io-parser "~2.2.0"
     has-cors "1.1.0"
     indexof "0.0.1"
-    parseqs "0.0.5"
-    parseuri "0.0.5"
-    ws "~6.1.0"
+    parseqs "0.0.6"
+    parseuri "0.0.6"
+    ws "~7.4.2"
     xmlhttprequest-ssl "~1.5.4"
     yeast "0.1.2"
 
-engine.io-parser@~2.1.0, engine.io-parser@~2.1.1:
-  version "2.1.2"
-  resolved "https://registry.yarnpkg.com/engine.io-parser/-/engine.io-parser-2.1.2.tgz#4c0f4cff79aaeecbbdcfdea66a823c6085409196"
+engine.io-parser@~2.2.0:
+  version "2.2.1"
+  resolved "https://registry.yarnpkg.com/engine.io-parser/-/engine.io-parser-2.2.1.tgz#57ce5611d9370ee94f99641b589f94c97e4f5da7"
   dependencies:
     after "0.8.2"
     arraybuffer.slice "~0.0.7"
-    base64-arraybuffer "0.1.5"
-    blob "0.0.4"
+    base64-arraybuffer "0.1.4"
+    blob "0.0.5"
     has-binary2 "~1.0.2"
 
-engine.io@~3.3.1:
-  version "3.3.2"
-  resolved "https://registry.yarnpkg.com/engine.io/-/engine.io-3.3.2.tgz#18cbc8b6f36e9461c5c0f81df2b830de16058a59"
+engine.io@~3.5.0:
+  version "3.5.0"
+  resolved "https://registry.yarnpkg.com/engine.io/-/engine.io-3.5.0.tgz#9d6b985c8a39b1fe87cd91eb014de0552259821b"
   dependencies:
     accepts "~1.3.4"
-    base64id "1.0.0"
-    cookie "0.3.1"
-    debug "~3.1.0"
-    engine.io-parser "~2.1.0"
-    ws "~6.1.0"
+    base64id "2.0.0"
+    cookie "~0.4.1"
+    debug "~4.1.0"
+    engine.io-parser "~2.2.0"
+    ws "~7.4.2"
 
 entities@^1.1.1, entities@~1.1.1:
   version "1.1.2"
@@ -2354,10 +2352,6 @@ object-assign@^4.1.0:
   version "4.1.1"
   resolved "https://registry.yarnpkg.com/object-assign/-/object-assign-4.1.1.tgz#2109adc7965887cfc05cbbd442cac8bfbb360863"
 
-object-component@0.0.3:
-  version "0.0.3"
-  resolved "https://registry.yarnpkg.com/object-component/-/object-component-0.0.3.tgz#f0c69aa50efc95b866c186f400a33769cb2f1291"
-
 object-hash@^1.3.0:
   version "1.3.1"
   resolved "https://registry.yarnpkg.com/object-hash/-/object-hash-1.3.1.tgz#fde452098a951cb145f039bb7d455449ddc126df"
@@ -2498,17 +2492,13 @@ parse5@^3.0.1:
   dependencies:
     "@types/node" "*"
 
-parseqs@0.0.5:
-  version "0.0.5"
-  resolved "https://registry.yarnpkg.com/parseqs/-/parseqs-0.0.5.tgz#d5208a3738e46766e291ba2ea173684921a8b89d"
-  dependencies:
-    better-assert "~1.0.0"
+parseqs@0.0.6:
+  version "0.0.6"
+  resolved "https://registry.yarnpkg.com/parseqs/-/parseqs-0.0.6.tgz#8e4bb5a19d1cdc844a08ac974d34e273afa670d5"
 
-parseuri@0.0.5:
-  version "0.0.5"
-  resolved "https://registry.yarnpkg.com/parseuri/-/parseuri-0.0.5.tgz#80204a50d4dbb779bfdc6ebe2778d90e4bce320a"
-  dependencies:
-    better-assert "~1.0.0"
+parseuri@0.0.6:
+  version "0.0.6"
+  resolved "https://registry.yarnpkg.com/parseuri/-/parseuri-0.0.6.tgz#e1496e829e3ac2ff47f39a4dd044b32823c4a25a"
 
 parseurl@~1.3.2:
   version "1.3.2"
@@ -2815,6 +2805,12 @@ rimraf@^2.6.1:
   dependencies:
     glob "^7.0.5"
 
+rimraf@^3.0.0:
+  version "3.0.2"
+  resolved "https://registry.yarnpkg.com/rimraf/-/rimraf-3.0.2.tgz#f1a5402ba6220ad52cc1282bac1ae3aa49fd061a"
+  dependencies:
+    glob "^7.1.3"
+
 rss-parser@^3.6.0:
   version "3.6.0"
   resolved "https://registry.yarnpkg.com/rss-parser/-/rss-parser-3.6.0.tgz#6ded6f1d25e092fcec813fab383200557ae84fdd"
@@ -2971,22 +2967,19 @@ socket.io-adapter@~1.1.0:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/socket.io-adapter/-/socket.io-adapter-1.1.1.tgz#2a805e8a14d6372124dd9159ad4502f8cb07f06b"
 
-socket.io-client@2.2.0:
-  version "2.2.0"
-  resolved "https://registry.yarnpkg.com/socket.io-client/-/socket.io-client-2.2.0.tgz#84e73ee3c43d5020ccc1a258faeeb9aec2723af7"
+socket.io-client@2.4.0:
+  version "2.4.0"
+  resolved "https://registry.yarnpkg.com/socket.io-client/-/socket.io-client-2.4.0.tgz#aafb5d594a3c55a34355562fc8aea22ed9119a35"
   dependencies:
     backo2 "1.0.2"
-    base64-arraybuffer "0.1.5"
     component-bind "1.0.0"
-    component-emitter "1.2.1"
+    component-emitter "~1.3.0"
     debug "~3.1.0"
-    engine.io-client "~3.3.1"
+    engine.io-client "~3.5.0"
     has-binary2 "~1.0.2"
-    has-cors "1.1.0"
     indexof "0.0.1"
-    object-component "0.0.3"
-    parseqs "0.0.5"
-    parseuri "0.0.5"
+    parseqs "0.0.6"
+    parseuri "0.0.6"
     socket.io-parser "~3.3.0"
     to-array "0.1.4"
 
@@ -2998,16 +2991,24 @@ socket.io-parser@~3.3.0:
     debug "~3.1.0"
     isarray "2.0.1"
 
-socket.io@^2.2.0:
-  version "2.2.0"
-  resolved "https://registry.yarnpkg.com/socket.io/-/socket.io-2.2.0.tgz#f0f633161ef6712c972b307598ecd08c9b1b4d5b"
+socket.io-parser@~3.4.0:
+  version "3.4.1"
+  resolved "https://registry.yarnpkg.com/socket.io-parser/-/socket.io-parser-3.4.1.tgz#b06af838302975837eab2dc980037da24054d64a"
   dependencies:
+    component-emitter "1.2.1"
     debug "~4.1.0"
-    engine.io "~3.3.1"
+    isarray "2.0.1"
+
+socket.io@^2.4.0:
+  version "2.4.0"
+  resolved "https://registry.yarnpkg.com/socket.io/-/socket.io-2.4.0.tgz#01030a2727bd8eb2e85ea96d69f03692ee53d47e"
+  dependencies:
+    debug "~4.1.0"
+    engine.io "~3.5.0"
     has-binary2 "~1.0.2"
     socket.io-adapter "~1.1.0"
-    socket.io-client "2.2.0"
-    socket.io-parser "~3.3.0"
+    socket.io-client "2.4.0"
+    socket.io-parser "~3.4.0"
 
 source-map@~0.6.0, source-map@~0.6.1:
   version "0.6.1"
@@ -3438,11 +3439,9 @@ ws@^4.0.0:
     async-limiter "~1.0.0"
     safe-buffer "~5.1.0"
 
-ws@~6.1.0:
-  version "6.1.4"
-  resolved "https://registry.yarnpkg.com/ws/-/ws-6.1.4.tgz#5b5c8800afab925e94ccb29d153c8d02c1776ef9"
-  dependencies:
-    async-limiter "~1.0.0"
+ws@~7.4.2:
+  version "7.4.2"
+  resolved "https://registry.yarnpkg.com/ws/-/ws-7.4.2.tgz#782100048e54eb36fe9843363ab1c68672b261dd"
 
 xhr@^2.0.1:
   version "2.4.1"