diff --git a/.gitattributes b/.gitattributes
index 68ecb66..dca3e58 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -1 +1,5 @@
-* text eol=lf
+# Set the default behavior, in case people don't have core.autocrlf set.
+* text=auto
+
+# JS files should always have LF line endings on checkout.
+*.js text eol=lf
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..465167d
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,48 @@
+name: CI
+
+on:
+  push:
+    branches:
+      - master
+      - 'v*' # older version branches
+    tags:
+      - '*'
+
+  pull_request: {}
+  schedule:
+  - cron:  '0 6 * * 0' # weekly, on sundays
+
+jobs:
+  test:
+    name: "Node ${{ matrix.node }} - ${{ matrix.os }}"
+    runs-on: "${{matrix.os}}-latest"
+
+    strategy:
+      matrix:
+        os: ['ubuntu', 'windows', 'macOS']
+        node: ['10', '12', '14']
+
+    steps:
+    - uses: actions/checkout@v1
+    - uses: actions/setup-node@v1
+      with:
+        node-version: ${{ matrix.node }}
+    - name: install dependencies
+      run: yarn install --frozen-lockfile
+    - name: test
+      run: yarn test
+
+  floating-test:
+    name: Floating dependencies
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v1
+    - uses: actions/setup-node@v1
+      with:
+        node-version: '14.x'
+    - name: install dependencies
+      run: yarn install --no-lockfile
+    - name: test
+      run: yarn test
+
diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index ec9203a..0000000
--- a/.travis.yml
+++ /dev/null
@@ -1,36 +0,0 @@
-language: node_js
-node_js:
-  - "lts/argon"
-  - "lts/boron"
-  - "lts/carbon"
-  - "10"
-
-sudo: false
-dist: trusty
-
-cache:
-  yarn: true
-
-before_install:
-  - curl -o- -L https://yarnpkg.com/install.sh | bash
-  - export PATH=$HOME/.yarn/bin:$PATH
-
-install:
-  - yarn install --no-lockfile
-
-script:
-  - yarn test:all
-
-before_deploy:
-  - yarn global add auto-dist-tag
-  - auto-dist-tag --write
-
-deploy:
-  provider: npm
-  email: stefan.penner+ember-cli@gmail.com
-  api_key:
-    secure: MGME3tiODyEWOdBlWDXJW8pYbN8Ltz8rgnWSqthv5nCY/oN1SVm0mUOvGydCgoHxtszqUpvfExoBmnD/tcaXXVSzajfAWsa+DDx3zKvAcAbsNRsmPgBuWV8/Ptpq6bglx8kwGHeCatqQgghv0Mm7UrpMEZwbq3u7pzAVjNnUeSo=
-  skip_cleanup: true
-  on:
-    tags: true
-    repo: babel/broccoli-babel-transpiler
diff --git a/appveyor.yml b/appveyor.yml
deleted file mode 100644
index 4c638dd..0000000
--- a/appveyor.yml
+++ /dev/null
@@ -1,29 +0,0 @@
-# http://www.appveyor.com/docs/appveyor-yml
-
-# Test against these versions of Node.js.
-environment:
-  matrix:
-    - nodejs_version: "10"
-
-# Install scripts. (runs after repo cloning)
-install:
-  - git rev-parse HEAD
-  # Get the latest stable version of Node 0.STABLE.latest
-  - ps: Install-Product node $env:nodejs_version
-  # Typical npm stuff.
-  - md C:\nc
-  - npm config set cache C:\nc
-  - npm version
-  - npm install --no-optional
-
-# Post-install test scripts.
-test_script:
-  # Output useful info for debugging.
-  - npm version
-  - cmd: npm run test:all
-
-# Don't actually build.
-build: off
-
-# Set build version format here instead of in the admin panel.
-version: "{build}"
diff --git a/lib/parallel-api.js b/lib/parallel-api.js
index 9a521a9..91dad50 100644
--- a/lib/parallel-api.js
+++ b/lib/parallel-api.js
@@ -26,7 +26,10 @@ function getWorkerPool() {
   if (existingPool) {
     pool = existingPool;
   } else {
-    pool = workerpool.pool(path.join(__dirname, 'worker.js'), { maxWorkers: JOBS });
+    pool = workerpool.pool(path.join(__dirname, 'worker.js'), {
+      maxWorkers: JOBS,
+      workerType: 'process'
+    });
     process[globalPoolID] = pool;
   }
   return pool;
diff --git a/package.json b/package.json
index 0ce06a1..0384ac7 100644
--- a/package.json
+++ b/package.json
@@ -44,7 +44,7 @@
     "heimdalljs-logger": "^0.1.7",
     "json-stable-stringify": "^1.0.0",
     "rsvp": "^4.8.2",
-    "workerpool": "^2.3.0"
+    "workerpool": "^6.1.4"
   },
   "devDependencies": {
     "amd-name-resolver": "1.2.0",
diff --git a/tests/test.js b/tests/test.js
index 63c8142..07e5087 100644
--- a/tests/test.js
+++ b/tests/test.js
@@ -961,7 +961,7 @@ describe('on error', function() {
         expect.fail('', '', 'babel should throw an error');
       },
       function onFailure(err) {
-        expect(err.message).to.eql('Worker terminated unexpectedly');
+        expect(err.message).to.include('Workerpool Worker terminated Unexpectedly');
       }
     );
   });
@@ -1377,7 +1377,7 @@ describe('buildFromParallelApiInfo()', function() {
       expect.fail('', '', 'should have thrown an error');
     }
     catch (err) {
-      expect(err.message).to.eql("Cannot find module 'some/file/that/does/not/exist'");
+      expect(err.message).to.include("Cannot find module 'some/file/that/does/not/exist'");
     }
   });
 
diff --git a/yarn.lock b/yarn.lock
index 1b9f9b5..6ee1643 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -941,7 +941,7 @@ number-is-nan@^1.0.0:
   version "1.0.1"
   resolved "https://registry.npmjs.org/number-is-nan/-/number-is-nan-1.0.1.tgz#097b602b53422a522c1afb8790318336941a011d"
 
-object-assign@4.1.1, object-assign@^4.1.0:
+object-assign@^4.1.0:
   version "4.1.1"
   resolved "https://registry.npmjs.org/object-assign/-/object-assign-4.1.1.tgz#2109adc7965887cfc05cbbd442cac8bfbb360863"
 
@@ -1212,11 +1212,10 @@ wordwrap@~0.0.2:
   version "0.0.3"
   resolved "https://registry.npmjs.org/wordwrap/-/wordwrap-0.0.3.tgz#a3d5da6cd5c0bc0008d37234bbaf1bed63059107"
 
-workerpool@^2.3.0:
-  version "2.3.0"
-  resolved "https://registry.yarnpkg.com/workerpool/-/workerpool-2.3.0.tgz#86c5cbe946b55e7dc9d12b1936c8801a6e2d744d"
-  dependencies:
-    object-assign "4.1.1"
+workerpool@^6.1.4:
+  version "6.1.4"
+  resolved "https://registry.yarnpkg.com/workerpool/-/workerpool-6.1.4.tgz#6a972b6df82e38d50248ee2820aa98e2d0ad3090"
+  integrity sha512-jGWPzsUqzkow8HoAvqaPWTUPCrlPJaJ5tY8Iz7n1uCz3tTp6s3CDG0FF1NsX42WNlkRSW6Mr+CDZGnNoSsKa7g==
 
 wrappy@1:
   version "1.0.2"