diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 00000000..910c8cfd
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,23 @@
+name: ci
+'on':
+  - push
+  - pull_request
+jobs:
+  test:
+    name: Node ${{ matrix.node }} / ${{ matrix.os }}
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os:
+          - ubuntu-latest
+        node:
+          - '14'
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-node@v2
+        with:
+          node-version: ${{ runner.node }}
+      - run: npm install
+      - run: npm run build --if-present
+      - run: npm test
diff --git a/.npmignore b/.npmignore
index 5a33e813..ae28c208 100644
--- a/.npmignore
+++ b/.npmignore
@@ -1,6 +1,6 @@
-.travis.yml
 CONTRIBUTING.md
 examples/
 img/
 test/
 tools/
+.github/
diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index e95e6545..00000000
--- a/.travis.yml
+++ /dev/null
@@ -1,10 +0,0 @@
-language: node_js
-sudo: false
-node_js:
-  - lts/*
-before_script:
-  # Add an IPv6 config - see the corresponding Travis issue
-  # https://github.com/travis-ci/travis-ci/issues/8361
-  - if [ "${TRAVIS_OS_NAME}" == "linux" ]; then
-      sudo sh -c 'echo 0 > /proc/sys/net/ipv6/conf/all/disable_ipv6';
-    fi
diff --git a/README.md b/README.md
index 3e48a535..1ac36057 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
-# bittorrent-tracker [![travis][travis-image]][travis-url] [![npm][npm-image]][npm-url] [![downloads][downloads-image]][downloads-url] [![javascript style guide][standard-image]][standard-url]
+# bittorrent-tracker [![ci][ci-image]][ci-url] [![npm][npm-image]][npm-url] [![downloads][downloads-image]][downloads-url] [![javascript style guide][standard-image]][standard-url]
 
-[travis-image]: https://img.shields.io/travis/webtorrent/bittorrent-tracker/master.svg
-[travis-url]: https://travis-ci.org/webtorrent/bittorrent-tracker
+[ci-image]: https://img.shields.io/github/workflow/status/webtorrent/bittorrent-tracker/ci/master
+[ci-url]: https://github.com/webtorrent/bittorrent-tracker/actions
 [npm-image]: https://img.shields.io/npm/v/bittorrent-tracker.svg
 [npm-url]: https://npmjs.org/package/bittorrent-tracker
 [downloads-image]: https://img.shields.io/npm/dm/bittorrent-tracker.svg
diff --git a/client.js b/client.js
index 6fc21798..fabbf63f 100644
--- a/client.js
+++ b/client.js
@@ -3,6 +3,7 @@ const EventEmitter = require('events')
 const once = require('once')
 const parallel = require('run-parallel')
 const Peer = require('simple-peer')
+const queueMicrotask = require('queue-microtask')
 
 const common = require('./lib/common')
 const HTTPTracker = require('./lib/client/http-tracker') // empty object in browser
@@ -76,7 +77,7 @@ class Client extends EventEmitter {
     const webrtcSupport = this._wrtc !== false && (!!this._wrtc || Peer.WEBRTC_SUPPORT)
 
     const nextTickWarn = err => {
-      process.nextTick(() => {
+      queueMicrotask(() => {
         this.emit('warning', err)
       })
     }
diff --git a/package.json b/package.json
index 960fac5e..213073a3 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "bittorrent-tracker",
   "description": "Simple, robust, BitTorrent tracker (client & server) implementation",
-  "version": "9.16.0",
+  "version": "9.16.1",
   "author": {
     "name": "WebTorrent LLC",
     "email": "feross@webtorrent.io",
@@ -34,6 +34,7 @@
     "lru": "^3.1.0",
     "minimist": "^1.2.5",
     "once": "^1.4.0",
+    "queue-microtask": "^1.2.2",
     "random-iterate": "^1.0.1",
     "randombytes": "^2.1.0",
     "run-parallel": "^1.1.9",