diff --git a/yarn.lock b/yarn.lock
index 05193ad..86e3f18 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1082,9 +1082,10 @@ balanced-match@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/balanced-match/-/balanced-match-1.0.0.tgz#89b4d199ab2bee49de164ea02b89ce462d71b767"
 
-base64-js@^1.0.2:
+base64-js@^1.0.2, base64-js@^1.3.0:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/base64-js/-/base64-js-1.3.0.tgz#cab1e6118f051095e58b5281aea8c1cd22bfc0e3"
+  integrity sha512-ccav/yGvoa80BQDljCxsmmQ3Xvx60/UpBIij5QN21W3wBi/hhIC9OoO+KLpu9IJTS9j4DRVJ3aDDF9cMSoa2lw==
 
 base@^0.11.1:
   version "0.11.2"
@@ -1125,9 +1126,10 @@ binary@~0.3.0:
     buffers "~0.1.1"
     chainsaw "~0.1.0"
 
-bl@^1.2.1:
+bl@^1.2.2:
   version "1.2.2"
-  resolved "http://registry.npmjs.org/bl/-/bl-1.2.2.tgz#a160911717103c07410cef63ef51b397c025af9c"
+  resolved "https://registry.yarnpkg.com/bl/-/bl-1.2.2.tgz#a160911717103c07410cef63ef51b397c025af9c"
+  integrity sha512-e8tQYnZodmebYDWGH7KMRvtzKXaJHx3BbilrgZCfvyLUYdKpK1t5PSPmpkny/SgiTSCnjfLW7v5rlONXVFkQEA==
   dependencies:
     readable-stream "^2.3.5"
     safe-buffer "^5.1.1"
@@ -3941,19 +3943,22 @@ move-concurrently@^1.0.1:
     rimraf "^2.5.4"
     run-queue "^1.0.3"
 
-mqtt-packet@^5.6.0:
-  version "5.6.0"
-  resolved "https://registry.yarnpkg.com/mqtt-packet/-/mqtt-packet-5.6.0.tgz#923fb704d0ce0bd6ac81c7e1cc09469b1512d2fd"
+mqtt-packet@^6.0.0:
+  version "6.1.2"
+  resolved "https://registry.yarnpkg.com/mqtt-packet/-/mqtt-packet-6.1.2.tgz#239493d185c9209011a5a22ebce30e098c731f81"
+  integrity sha512-yVG5PoS3wJ8TLzfS8pQMsDVLAf/EipnBAG5XQE9X/9L0EMxuduI9J2WnlRvJT497K1CUT4VJWjoP08+CKiKt1Q==
   dependencies:
-    bl "^1.2.1"
+    bl "^1.2.2"
     inherits "^2.0.3"
     process-nextick-args "^2.0.0"
-    safe-buffer "^5.1.0"
+    safe-buffer "^5.1.2"
 
-mqtt@^2.14.0:
-  version "2.18.8"
-  resolved "https://registry.yarnpkg.com/mqtt/-/mqtt-2.18.8.tgz#9d213ccab92151accfb21ee8c0860dc6866ab259"
+mqtt@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/mqtt/-/mqtt-3.0.0.tgz#7961e5f61efba3eec37d5aa9c4cbcdeb6f841380"
+  integrity sha512-0nKV6MAc1ibKZwaZQUTb3iIdT4NVpj541BsYrqrGBcQdQ7Jd0MnZD1/6/nj1UFdGTboK9ZEUXvkCu2nPCugHFA==
   dependencies:
+    base64-js "^1.3.0"
     commist "^1.0.0"
     concat-stream "^1.6.2"
     end-of-stream "^1.4.1"
@@ -3961,11 +3966,11 @@ mqtt@^2.14.0:
     help-me "^1.0.1"
     inherits "^2.0.3"
     minimist "^1.2.0"
-    mqtt-packet "^5.6.0"
+    mqtt-packet "^6.0.0"
     pump "^3.0.0"
     readable-stream "^2.3.6"
     reinterval "^1.1.0"
-    split2 "^2.1.1"
+    split2 "^3.1.0"
     websocket-stream "^5.1.2"
     xtend "^4.0.1"
 
@@ -4863,6 +4868,15 @@ readable-stream@1.0:
     isarray "0.0.1"
     string_decoder "~0.10.x"
 
+readable-stream@^3.0.0:
+  version "3.3.0"
+  resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-3.3.0.tgz#cb8011aad002eb717bf040291feba8569c986fb9"
+  integrity sha512-EsI+s3k3XsW+fU8fQACLN59ky34AZ14LoeVZpYwmZvldCFo0r0gnelwF2TcMjLor/BTL5aDJVBMkss0dthToPw==
+  dependencies:
+    inherits "^2.0.3"
+    string_decoder "^1.1.1"
+    util-deprecate "^1.0.1"
+
 readable-stream@~2.1.5:
   version "2.1.5"
   resolved "http://registry.npmjs.org/readable-stream/-/readable-stream-2.1.5.tgz#66fa8b720e1438b364681f2ad1a63c618448c9d0"
@@ -5394,11 +5408,12 @@ split-string@^3.0.1, split-string@^3.0.2:
   dependencies:
     extend-shallow "^3.0.0"
 
-split2@^2.1.1:
-  version "2.2.0"
-  resolved "https://registry.yarnpkg.com/split2/-/split2-2.2.0.tgz#186b2575bcf83e85b7d18465756238ee4ee42493"
+split2@^3.1.0:
+  version "3.1.1"
+  resolved "https://registry.yarnpkg.com/split2/-/split2-3.1.1.tgz#c51f18f3e06a8c4469aaab487687d8d956160bb6"
+  integrity sha512-emNzr1s7ruq4N+1993yht631/JH+jaj0NYBosuKmLcq+JkGQ9MmTw1RB1fGaTCzUuseRIClrlSLHRNYGwWQ58Q==
   dependencies:
-    through2 "^2.0.2"
+    readable-stream "^3.0.0"
 
 sprintf-js@~1.0.2:
   version "1.0.3"
@@ -5474,6 +5489,13 @@ string_decoder@^1.0.0, string_decoder@~1.1.1:
   dependencies:
     safe-buffer "~5.1.0"
 
+string_decoder@^1.1.1:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/string_decoder/-/string_decoder-1.2.0.tgz#fe86e738b19544afe70469243b2a1ee9240eae8d"
+  integrity sha512-6YqyX6ZWEYguAxgZzHGL7SsCeGx3V2TtOTqZz1xSTSWnqsbWwbptafNyvf/ACquZUXV3DANr5BDIwNYe1mN42w==
+  dependencies:
+    safe-buffer "~5.1.0"
+
 string_decoder@~0.10.x:
   version "0.10.31"
   resolved "https://registry.yarnpkg.com/string_decoder/-/string_decoder-0.10.31.tgz#62e203bc41766c6c28c9fc84301dab1c5310fa94"
@@ -5572,7 +5594,7 @@ through2-filter@^2.0.0:
     through2 "~2.0.0"
     xtend "~4.0.0"
 
-through2@^2.0.0, through2@^2.0.1, through2@^2.0.2, through2@~2.0.0:
+through2@^2.0.0, through2@^2.0.1, through2@~2.0.0:
   version "2.0.3"
   resolved "https://registry.yarnpkg.com/through2/-/through2-2.0.3.tgz#0004569b37c7c74ba39c43f3ced78d1ad94140be"
   dependencies:
@@ -5853,7 +5875,7 @@ use@^3.1.0:
   version "3.1.1"
   resolved "https://registry.yarnpkg.com/use/-/use-3.1.1.tgz#d50c8cac79a19fbc20f2911f56eb973f4e10070f"
 
-util-deprecate@~1.0.1:
+util-deprecate@^1.0.1, util-deprecate@~1.0.1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/util-deprecate/-/util-deprecate-1.0.2.tgz#450d4dc9fa70de732762fbd2d4a28981419a0ccf"