diff --git a/.gitattributes b/.gitattributes
index 64d88f3..e3dd5b0 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -7,7 +7,7 @@
 #
 /.gitattributes export-ignore
 /.gitignore export-ignore
-/.travis.yml export-ignore
+/.github/ export-ignore
 /appveyor.yml export-ignore
 /box.json export-ignore
 /doc export-ignore
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 9fbb685..e1e1cd8 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -4,6 +4,8 @@ on:
   push:
     tags:
       - 'v*'
+  # Allow manually triggering the workflow.
+  workflow_dispatch:
 
 jobs:
   bundle:
@@ -19,7 +21,7 @@ jobs:
         with:
           php-version: 5.4
           extensions: exif, phar, openssl
-          coverage: false
+          coverage: none
           ini-values: phar.readonly=Off
 
       - name: Install Box from GitHub
@@ -33,6 +35,8 @@ jobs:
 
       - name: Install Composer dependencies
         uses: ramsey/composer-install@v1
+        with:
+          composer-options: "--no-dev"
 
       - name: Building binary...
         run: box build -v
@@ -79,7 +83,7 @@ jobs:
         uses: shivammathur/setup-php@v2
         with:
           php-version: ${{ matrix.php }}
-          coverage: false
+          coverage: none
 
       - name: Run linter against codebase
         run: php ./parallel-lint.phar src/
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index d948369..99633a0 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -6,6 +6,8 @@ on:
     branches:
       - develop
       - master
+  # Allow manually triggering the workflow.
+  workflow_dispatch:
 
 jobs:
   lint:
@@ -15,9 +17,9 @@ jobs:
       - name: Setup PHP
         uses: shivammathur/setup-php@v2
         with:
-          php-version: '8.0'
-          extensions: json
+          php-version: '7.4'
           coverage: none
+          tools: cs2pr
 
       - name: Checkout code
         uses: actions/checkout@v2
@@ -26,27 +28,11 @@ jobs:
         uses: ramsey/composer-install@v1
 
       - name: Run code sniffer
-        run: vendor/bin/phpcs
+        continue-on-error: true
+        run: vendor/bin/phpcs --report-full --report-checkstyle=./phpcs-report.xml
 
-  test:
-    name: Run unit tests
-    runs-on: ubuntu-latest
-
-    steps:
-      - name: Setup PHP
-        uses: shivammathur/setup-php@v2
-        with:
-          php-version: 5.4
-          extensions: json, tokenizer
-
-      - name: Checkout code
-        uses: actions/checkout@v2
-
-      - name: Install Composer dependencies
-        uses: ramsey/composer-install@v1
-
-      - name: Run tests
-        run: composer test
+      - name: Show PHPCS results in PR
+        run: cs2pr ./phpcs-report.xml
 
   bundle:
     name: Bundle binary
@@ -61,7 +47,7 @@ jobs:
         with:
           php-version: 5.4
           extensions: exif, phar, openssl
-          coverage: false
+          coverage: none
           ini-values: phar.readonly=Off
 
       - name: Install Box from GitHub
@@ -75,6 +61,8 @@ jobs:
 
       - name: Install Composer dependencies
         uses: ramsey/composer-install@v1
+        with:
+          composer-options: "--no-dev"
 
       - name: Building binary...
         run: box build -v
@@ -84,8 +72,8 @@ jobs:
           name: parallel-lint-phar
           path: ./parallel-lint.phar
 
-  verify-bundle:
-    name: Validate binary on PHP ${{ matrix.php }}
+  test:
+    name: Run tests on PHP ${{ matrix.php }}
     runs-on: ubuntu-latest
     continue-on-error: ${{ matrix.experimental == true }}
     needs:
@@ -113,15 +101,38 @@ jobs:
       - name: Checkout code
         uses: actions/checkout@v2
 
-      - uses: actions/download-artifact@v2
-        with:
-          name: parallel-lint-phar
-
       - name: Setup PHP
         uses: shivammathur/setup-php@v2
         with:
           php-version: ${{ matrix.php }}
-          coverage: false
+          coverage: none
+
+      # Remove PHPCS as it has a minimum PHP requirements of PHP 5.4 and would block install on PHP 5.3.
+      - name: 'Composer: remove PHPCS'
+        if: ${{ matrix.php < 5.4 }}
+        run: composer remove --dev squizlabs/php_codesniffer --no-update
+
+      - name: Install Composer dependencies
+        uses: ramsey/composer-install@v1
+
+      - name: 'Integration test 1 - linting own code, no colors'
+        continue-on-error: true
+        run: ./parallel-lint --exclude vendor --exclude tests/examples --no-colors .
+
+      - name: 'Integration test 2 - linting own code'
+        run: ./parallel-lint --exclude vendor --exclude tests/examples .
+
+      - name: 'Run unit tests PHP 5.4, 5.5'
+        if: ${{ matrix.php < 5.6 }}
+        run: composer testphp5
+
+      - name: 'Run unit tests PHP >= 5.6'
+        if: ${{ matrix.php >= 5.6 }}
+        run: composer test
+
+      - uses: actions/download-artifact@v2
+        with:
+          name: parallel-lint-phar
 
-      - name: Run linter against codebase
-        run: php ./parallel-lint.phar src/
+      - name: Run linter against codebase using the phar
+        run: php ./parallel-lint.phar --exclude vendor --exclude tests/examples .
diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index af54d4e..0000000
--- a/.travis.yml
+++ /dev/null
@@ -1,32 +0,0 @@
-language: php
-
-matrix:
-  include:
-    - php: 5.4
-      dist: trusty
-    - php: 5.5
-      dist: trusty
-    - php: 5.6
-    - php: 7.0
-    - php: 7.1
-    - php: 7.2
-    - php: 7.3
-    - php: 7.4
-      env: SNIFF=1
-    - php: 8.0
-    - php: "nightly"
-
-  fast_finish: true
-
-  allow_failures:
-    # Allow failures for unstable builds.
-    - php: "nightly"
-
-install:
-  - composer install --no-interaction --prefer-source
-
-script:
-  - composer test
-  - ./parallel-lint --exclude vendor --exclude tests/examples --no-colors .
-  - ./parallel-lint --exclude vendor --exclude tests/examples .
-  - if [[ "$SNIFF" == "1" ]]; then ./vendor/bin/phpcs;fi
diff --git a/README.md b/README.md
index 68c99c1..0ba4f11 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 # PHP Parallel Lint
 
 [![Downloads this Month](https://img.shields.io/packagist/dm/php-parallel-lint/php-parallel-lint.svg)](https://packagist.org/packages/php-parallel-lint/php-parallel-lint)
-[![Build Status](https://travis-ci.org/php-parallel-lint/PHP-Parallel-Lint.svg?branch=master)](https://travis-ci.org/php-parallel-lint/PHP-Parallel-Lint)
+[![Build Status](https://github.com/php-parallel-lint/PHP-Parallel-Lint/actions/workflows/test.yml/badge.svg)](https://github.com/php-parallel-lint/PHP-Parallel-Lint/actions/workflows/test.yml)
 [![License](https://poser.pugx.org/php-parallel-lint/php-parallel-lint/license.svg)](https://packagist.org/packages/php-parallel-lint/php-parallel-lint)
 
 This application checks syntax of PHP files in parallel.
diff --git a/composer.json b/composer.json
index ae978fd..9916ca7 100644
--- a/composer.json
+++ b/composer.json
@@ -37,7 +37,8 @@
         "parallel-lint"
     ],
     "scripts": {
-        "test": "@php vendor/bin/tester -p php tests"
+        "test": "@php vendor/bin/tester -C -p php tests",
+        "testphp5": "@php vendor/bin/tester -p php tests"
     },
     "scripts-descriptions": {
         "test": "Run all tests!"