diff --git a/.codecov.yml b/.codecov.yml
index 800669f..a0fb6d0 100644
--- a/.codecov.yml
+++ b/.codecov.yml
@@ -1,6 +1,6 @@
 codecov:
   ci:
-    - dev.azure.com
+    - github.com
 
 ignore:
   - "**/*/dist/*.js"
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
new file mode 100644
index 0000000..7266567
--- /dev/null
+++ b/.github/workflows/main.yml
@@ -0,0 +1,87 @@
+name: Github Actions
+
+on: [ push, pull_request ]
+
+jobs:
+
+  lint:
+    name: Lint
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@master
+
+    - name: Install Node.js
+      uses: actions/setup-node@master
+      with:
+        node-version: 10.x
+
+    - name: Install Yarn
+      run: npm install --global yarn
+
+    - name: Install dependencies
+      run: yarn --ignore-engines
+
+    - name: Lint JavaScript files using ESLint
+      run: yarn lint
+
+  ci:
+    name: Test
+
+    runs-on: ubuntu-latest
+
+    strategy:
+      fail-fast: false
+      matrix:
+        node-version: [ 6.x, 8.x, 10.x, 12.x ]
+
+    steps:
+    - uses: actions/checkout@master
+
+    - name: Install Node.js
+      uses: actions/setup-node@master
+      with:
+        node-version: ${{ matrix.node-version }}
+
+    - name: Install Yarn
+      run: npm install --global yarn
+
+    - name: Install dependencies
+      run: yarn --ignore-engines
+
+    - name: Run tests
+      run: yarn test
+
+    - name: Publish code coverage results
+      run: yarn coverage
+      env:
+        CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
+
+  cd:
+    name: Publish
+    needs: [ lint, ci ]
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@master
+
+    - name: Install Node.js
+      uses: actions/setup-node@master
+      with:
+        node-version: 10.x
+
+    - name: Install Yarn
+      run: npm install --global yarn
+
+    - name: Install dependencies
+      run: yarn --ignore-engines
+
+    - name: 'Build "pegjs/dist/*.js" files'
+      run: yarn build-dist
+
+    - name: Publish pegjs@dev to NPM
+      run: node tools/publish-dev
+      env:
+        NPM_TOKEN: ${{ secrets.NPM_TOKEN }}
diff --git a/.nycrc b/.nycrc
index 0300ee3..9a67560 100644
--- a/.nycrc
+++ b/.nycrc
@@ -1,7 +1,6 @@
 {
     "include": [ "packages/**" ],
     "reporter": [
-        "cobertura",
         "lcov",
         "text-summary"
     ]
diff --git a/README.md b/README.md
index ad937b5..7d8a709 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
-[![Build Status](https://dev.azure.com/pegjs/pegjs/_apis/build/status/Azure%20Pipelines?branchName=master)](https://dev.azure.com/pegjs/pegjs/_build/latest?definitionId=1?branchName=master)
+![](https://github.com/pegjs/pegjs/workflows/Github%20Actions/badge.svg)
 [![Codecov](https://codecov.io/gh/pegjs/pegjs/branch/master/graph/badge.svg)](https://codecov.io/gh/pegjs/pegjs)
-[![Maintainability](https://api.codeclimate.com/v1/badges/2d1f0313dea3e28e191f/maintainability)](https://codeclimate.com/github/pegjs/pegjs/maintainability)
+[![CodeFactor](https://www.codefactor.io/repository/github/pegjs/pegjs/badge)](https://www.codefactor.io/repository/github/pegjs/pegjs)
 [![forum](https://gitq.com/badge.svg)](https://gitq.com/pegjs/pegjs)
 [![license](https://img.shields.io/badge/license-mit-blue.svg)](https://opensource.org/licenses/MIT)
 
diff --git a/azure-pipelines.yml b/azure-pipelines.yml
deleted file mode 100644
index cc14c7c..0000000
--- a/azure-pipelines.yml
+++ /dev/null
@@ -1,61 +0,0 @@
-name: $(BuildID)
-
-resources:
-  repositories:
-    - repository: apt
-      type: github
-      name: futagoza/apt
-      endpoint: futagoza
-
-variables:
-- group: 'env-variables'
-
-jobs:
-
-- template: eslint.yml@apt
-  parameters:
-    install_scope: 'yarn'
-    job_script: 'yarn lint'
-
-- template: node-test.yml@apt
-  parameters:
-    npm_test: False
-    beforeEach:
-    - script: |
-        curl -L https://codeclimate.com/downloads/test-reporter/test-reporter-latest-linux-amd64 > ./cc-test-reporter
-        chmod +x ./cc-test-reporter
-      displayName: 'Download Code Climate Test Reporter'
-    afterEach:
-    - script: |
-        ./cc-test-reporter before-build
-        yarn test 2> /dev/null 
-        if [ $? -eq 0 ]
-          then
-            echo '"yarn test" passed, publishing to code climate.'
-            ./cc-test-reporter after-build --exit-code 0
-            echo 'Publishing code coverage results to coveralls.io'
-            yarn coverage
-            exit 0
-          else
-            echo '"yarn test" failed, publishing to code climate.'
-            ./cc-test-reporter after-build --exit-code 1
-            exit 1
-        fi
-      displayName: 'mocha > codeclimate & coveralls'
-      env:
-        CC_TEST_REPORTER_ID: $(CC_TEST_REPORTER_ID)
-        CODECOV_TOKEN: $(CODECOV_TOKEN)
-    publish_test_results_to_pipelines: True
-    publish_code_coverage_to_pipelines: True
-
-- template: node.yml@apt
-  parameters:
-    name: 'Publish pegjs@dev'
-    actions:
-      - script: npm run build-dist
-        displayName: 'Build "pegjs/dist/*.js" files'
-      - script: node tools/publish-dev
-        displayName: 'Publish to NPM'
-        env:
-          NPM_TOKEN: $(NPM_CI_TOKEN)
-          BUILD_REASON: $(variables['Build.Reason'])
diff --git a/test/config.json b/test/config.json
deleted file mode 100644
index b1e060a..0000000
--- a/test/config.json
+++ /dev/null
@@ -1,6 +0,0 @@
-{
-    "reporterEnabled": "spec, mocha-junit-reporter",
-    "mochaJunitReporterReporterOptions": {
-        "mochaFile": "coverage/junit.xml"
-    }
-}
diff --git a/test/mocha.opts b/test/mocha.opts
index 72a86bd..fcec131 100644
--- a/test/mocha.opts
+++ b/test/mocha.opts
@@ -1,4 +1,3 @@
 --recursive
---reporter mocha-multi-reporters
---reporter-options configFile=test/config.json
+--reporter spec
 {packages,test}/**/*.{spec,test}.js
diff --git a/tools/publish-dev/index.js b/tools/publish-dev/index.js
index 1bf8202..68b8ddb 100644
--- a/tools/publish-dev/index.js
+++ b/tools/publish-dev/index.js
@@ -2,15 +2,9 @@
 
 const publish = require( "./publish" );
 
-const {
+if ( process.env.GITHUB_EVENT_NAME === "push" ) {
 
-    BUILD_REASON,
-
-} = process.env;
-
-if ( BUILD_REASON && BUILD_REASON === "PullRequest" ) {
-
-    console.log( "Skipping publish, PR's are not published." );
+    console.log( "Skipping publish because dev release's are only published on `git push`." );
     process.exit( 0 );
 
 }
diff --git a/tools/publish-dev/package.json b/tools/publish-dev/package.json
index 22145b7..c6f838f 100644
--- a/tools/publish-dev/package.json
+++ b/tools/publish-dev/package.json
@@ -1,5 +1,5 @@
 {
     "name": "@pegjs/publish-dev",
-    "version": "2.0.0",
+    "version": "2.2.0",
     "private": true
 }
diff --git a/tools/publish-dev/publish.js b/tools/publish-dev/publish.js
index e4e2fd8..9292475 100644
--- a/tools/publish-dev/publish.js
+++ b/tools/publish-dev/publish.js
@@ -20,19 +20,12 @@ function publish( id ) {
 
     const {
 
-        GIT_BRANCH,
+        GITHUB_REF,
+        GITHUB_SHA,
         NPM_TOKEN,
 
     } = process.env;
 
-    let {
-
-        GIT_COMMIT_SHA,
-
-    } = process.env;
-
-    if ( GIT_COMMIT_SHA === "not-found" ) GIT_COMMIT_SHA = GIT_BRANCH;
-
     // local helpers
 
     function die( err ) {
@@ -55,13 +48,14 @@ function publish( id ) {
 
     // assertions
 
-    if ( ! GIT_BRANCH ) die( "`process.env.GIT_BRANCH` is required by " + APP );
+    if ( ! GITHUB_REF ) die( "`process.env.GITHUB_REF` is required by " + APP );
+    if ( ! GITHUB_SHA ) die( "`process.env.GITHUB_SHA` is required by " + APP );
     if ( ! NPM_TOKEN ) die( "`process.env.NPM_TOKEN` is required by " + APP );
 
     // update version field in `<package>/package.json`
 
-    const GIT_COMMIT_SHORT_SHA = exec( "git rev-parse --short " + GIT_COMMIT_SHA, false );
-    const dev = `${ VERSION }-${ GIT_BRANCH }.${ GIT_COMMIT_SHORT_SHA }`;
+    const GIT_COMMIT_SHORT_SHA = exec( "git rev-parse --short " + GITHUB_SHA, false );
+    const dev = `${ VERSION }-${ GITHUB_REF }.${ GIT_COMMIT_SHORT_SHA }`;
 
     exec( `npm --no-git-tag-version -f version ${ dev }` );