diff --git a/.travis.yml b/.travis.yml
index c7cc20d4b..75c31c50f 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,8 +1,8 @@
 ---
 language: node_js
 node_js:
-  - "6"
-  - "8"
+  - "10"
+  - "12"
 
 branches:
   only:
@@ -13,9 +13,6 @@ branches:
 env:
   - CXX=g++-4.8 WORKER_COUNT=2
 
-sudo: false
-dist: trusty
-
 addons:
   apt:
     sources:
diff --git a/appveyor.yml b/appveyor.yml
index 284e2faaa..0412a3cff 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -4,8 +4,8 @@
 environment:
   MOCHA_REPORTER: "mocha-appveyor-reporter"
   matrix:
-    - nodejs_version: "6"
-    - nodejs_version: "8"
+    - nodejs_version: "10"
+    - nodejs_version: "12"
 
 branches:
   only:
diff --git a/package.json b/package.json
index 0a5a07c2e..474598fe6 100644
--- a/package.json
+++ b/package.json
@@ -78,11 +78,8 @@
     "request": "^2.88.0",
     "rsvp": "^4.8.3"
   },
-  "resolutions": {
-    "**/engine.io": "~3.3.0"
-  },
   "engines": {
-    "node": "6.* || 8.* || >= 10.*"
+    "node": "10.* || 12.* || >= 14.*"
   },
   "publishConfig": {
     "registry": "https://registry.npmjs.org/"
diff --git a/yarn.lock b/yarn.lock
index c317d6f9f..ac33dd8d9 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1253,7 +1253,7 @@ async-disk-cache@^1.2.1:
     rsvp "^3.0.18"
     username-sync "^1.0.2"
 
-async-limiter@~1.0.0:
+async-limiter@^1.0.0, async-limiter@~1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/async-limiter/-/async-limiter-1.0.1.tgz#dd379e94f0db8310b08291f9d64c3209766617fd"
   integrity sha512-csOlWGAcRFJaI6m+F2WKdnMKr4HhdhFVBk0H/QbJFMCr+uO2kwohwXQPxw/9OCxp05r5ghVBFSyioixx3gfkNQ==
@@ -1903,10 +1903,10 @@ base64-arraybuffer@0.1.5:
   resolved "https://registry.yarnpkg.com/base64-arraybuffer/-/base64-arraybuffer-0.1.5.tgz#73926771923b5a19747ad666aa5cd4bf9c6e9ce8"
   integrity sha1-c5JncZI7Whl0etZmqlzUv5xunOg=
 
-base64id@1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/base64id/-/base64id-1.0.0.tgz#47688cb99bb6804f0e06d3e763b1c32e57d8e6b6"
-  integrity sha1-R2iMuZu2gE8OBtPnY7HDLlfY5rY=
+base64id@2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/base64id/-/base64id-2.0.0.tgz#2770ac6bc47d312af97a8bf9a634342e0cd25cb6"
+  integrity sha512-lGe34o6EHj9y3Kts9R4ZYs/Gr+6N7MCaMlIFA3F1R2O5/m7K06AxfSeO5530PEERE6/WyEg3lsuyw4GHlPZHog==
 
 base@^0.11.1:
   version "0.11.2"
@@ -4030,17 +4030,6 @@ engine.io-client@~3.4.0:
     xmlhttprequest-ssl "~1.5.4"
     yeast "0.1.2"
 
-engine.io-parser@~2.1.0:
-  version "2.1.3"
-  resolved "https://registry.yarnpkg.com/engine.io-parser/-/engine.io-parser-2.1.3.tgz#757ab970fbf2dfb32c7b74b033216d5739ef79a6"
-  integrity sha512-6HXPre2O4Houl7c4g7Ic/XzPnHBvaEmN90vtRO9uLmwtRqQmTOw0QMevL1TOfL2Cpu1VzsaTmMotQgMdkzGkVA==
-  dependencies:
-    after "0.8.2"
-    arraybuffer.slice "~0.0.7"
-    base64-arraybuffer "0.1.5"
-    blob "0.0.5"
-    has-binary2 "~1.0.2"
-
 engine.io-parser@~2.2.0:
   version "2.2.0"
   resolved "https://registry.yarnpkg.com/engine.io-parser/-/engine.io-parser-2.2.0.tgz#312c4894f57d52a02b420868da7b5c1c84af80ed"
@@ -4052,17 +4041,17 @@ engine.io-parser@~2.2.0:
     blob "0.0.5"
     has-binary2 "~1.0.2"
 
-engine.io@~3.3.0, engine.io@~3.4.0:
-  version "3.3.2"
-  resolved "https://registry.yarnpkg.com/engine.io/-/engine.io-3.3.2.tgz#18cbc8b6f36e9461c5c0f81df2b830de16058a59"
-  integrity sha512-AsaA9KG7cWPXWHp5FvHdDWY3AMWeZ8x+2pUVLcn71qE5AtAzgGbxuclOytygskw8XGmiQafTmnI9Bix3uihu2w==
+engine.io@~3.4.0:
+  version "3.4.0"
+  resolved "https://registry.yarnpkg.com/engine.io/-/engine.io-3.4.0.tgz#3a962cc4535928c252759a00f98519cb46c53ff3"
+  integrity sha512-XCyYVWzcHnK5cMz7G4VTu2W7zJS7SM1QkcelghyIk/FmobWBtXE7fwhBusEKvCSqc3bMh8fNFMlUkCKTFRxH2w==
   dependencies:
     accepts "~1.3.4"
-    base64id "1.0.0"
+    base64id "2.0.0"
     cookie "0.3.1"
-    debug "~3.1.0"
-    engine.io-parser "~2.1.0"
-    ws "~6.1.0"
+    debug "~4.1.0"
+    engine.io-parser "~2.2.0"
+    ws "^7.1.2"
 
 ensure-posix-path@^1.0.0, ensure-posix-path@^1.0.1, ensure-posix-path@^1.0.2, ensure-posix-path@^1.1.0:
   version "1.1.1"
@@ -9988,6 +9977,13 @@ write@^0.2.1:
   dependencies:
     mkdirp "^0.5.1"
 
+ws@^7.1.2:
+  version "7.2.0"
+  resolved "https://registry.yarnpkg.com/ws/-/ws-7.2.0.tgz#422eda8c02a4b5dba7744ba66eebbd84bcef0ec7"
+  integrity sha512-+SqNqFbwTm/0DC18KYzIsMTnEWpLwJsiasW/O17la4iDRRIO9uaHbvKiAS3AHgTiuuWerK/brj4O6MYZkei9xg==
+  dependencies:
+    async-limiter "^1.0.0"
+
 ws@~6.1.0:
   version "6.1.4"
   resolved "https://registry.yarnpkg.com/ws/-/ws-6.1.4.tgz#5b5c8800afab925e94ccb29d153c8d02c1776ef9"