diff --git a/.editorconfig b/.editorconfig
index f339d2d..942ec22 100644
--- a/.editorconfig
+++ b/.editorconfig
@@ -8,3 +8,6 @@ indent_style = space
 indent_size = 4
 trim_trailing_whitespace = true
 insert_final_newline = true
+
+[.github/**.yml]
+indent_size = 2
diff --git a/.gitattributes b/.gitattributes
index 874ec51..f01cfcf 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -6,4 +6,5 @@
 /.php_cs export-ignore
 /phpunit.xml.dist export-ignore
 /phpstan.neon export-ignore
+/.github export-ignore
 /tests export-ignore
diff --git a/.github/workflows/coding-standards.yml b/.github/workflows/coding-standards.yml
new file mode 100644
index 0000000..e7449bc
--- /dev/null
+++ b/.github/workflows/coding-standards.yml
@@ -0,0 +1,53 @@
+name: "CS"
+
+on:
+  pull_request:
+    branches:
+      - master
+  push:
+    branches:
+      - master
+
+env:
+  SYMFONY_PHPUNIT_VERSION: 7.5
+
+jobs:
+  coding-standards:
+    name: "CS Fixer & PHPStan"
+    runs-on: "ubuntu-18.04"
+
+    strategy:
+      matrix:
+        php:
+          - "7.3"
+
+    steps:
+      - name: "Checkout"
+        uses: "actions/checkout@v2"
+
+      - name: "Install PHP"
+        uses: "shivammathur/setup-php@v2"
+        with:
+          coverage: "none"
+          php-version: "${{ matrix.php }}"
+          tools: cs2pr, composer:v1
+          ini-values: "date.timezone=Europe/Paris"
+        env:
+          COMPOSER_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: "Add PHPStan"
+        run: "composer require phpstan/phpstan phpstan/phpstan-phpunit --dev --no-progress --no-suggest"
+
+      - name: "Install dependencies with Composer"
+        uses: "ramsey/composer-install@v1"
+        with:
+          composer-options: "--optimize-autoloader --prefer-dist"
+
+      - name: "Run PHP CS Fixer"
+        run: "php vendor/bin/php-cs-fixer fix --verbose --dry-run --format=checkstyle | cs2pr"
+
+      - name: "Install PHPUnit for PHPStan"
+        run: "php vendor/bin/simple-phpunit install"
+
+      - name: "Run PHPStan"
+        run: "php vendor/bin/phpstan analyse --error-format=checkstyle | cs2pr"
diff --git a/.github/workflows/continuous-integration.yml b/.github/workflows/continuous-integration.yml
new file mode 100644
index 0000000..42b2d41
--- /dev/null
+++ b/.github/workflows/continuous-integration.yml
@@ -0,0 +1,202 @@
+name: "CI"
+
+on:
+  pull_request:
+    branches:
+      - "master"
+  push:
+    branches:
+      - "master"
+
+env:
+  fail-fast: true
+
+jobs:
+  phpunit:
+    name: "PHPUnit (PHP ${{ matrix.php }})"
+    runs-on: "ubuntu-18.04"
+
+    strategy:
+      matrix:
+        php:
+          - "5.6"
+          - "7.0"
+          - "7.1"
+          - "7.2"
+          - "7.3"
+          - "7.4"
+
+    steps:
+      - name: "Checkout"
+        uses: "actions/checkout@v2"
+        with:
+          fetch-depth: 2
+
+      - name: "Install PHP"
+        uses: "shivammathur/setup-php@v2"
+        with:
+          php-version: "${{ matrix.php }}"
+          coverage: "none"
+          tools: composer:v1
+          extensions: tidy
+          ini-values: "date.timezone=Europe/Paris"
+        env:
+          COMPOSER_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: "Force PHPUnit version"
+        if: matrix.php >= '7.2'
+        run: "echo $SYMFONY_PHPUNIT_VERSION"
+        env:
+          SYMFONY_PHPUNIT_VERSION: 7.5
+
+      - name: "Remove useless deps"
+        run: "composer remove friendsofphp/php-cs-fixer --dev --no-progress --no-update"
+
+      - name: "Install dependencies with Composer"
+        uses: "ramsey/composer-install@v1"
+        with:
+          composer-options: "--optimize-autoloader --prefer-dist"
+
+      - name: "Setup logs"
+        run: "mkdir -p build/logs"
+
+      - name: "Run PHPUnit"
+        run: "php vendor/bin/simple-phpunit -v"
+
+  phpunit-coverage:
+    name: "PHPUnit coverage (PHP ${{ matrix.php }})"
+    runs-on: "ubuntu-18.04"
+
+    strategy:
+      matrix:
+        php:
+          - "7.4"
+
+    steps:
+      - name: "Checkout"
+        uses: "actions/checkout@v2"
+        with:
+          fetch-depth: 2
+
+      - name: "Install PHP with Xdebug"
+        uses: "shivammathur/setup-php@v2"
+        with:
+          php-version: "${{ matrix.php }}"
+          coverage: "xdebug"
+          tools: composer:v1
+          extensions: tidy
+          ini-values: "date.timezone=Europe/Paris"
+        env:
+          COMPOSER_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: "Remove useless deps"
+        run: "composer remove friendsofphp/php-cs-fixer --dev --no-progress --no-update"
+
+      - name: "Install dependencies with Composer"
+        uses: "ramsey/composer-install@v1"
+        with:
+          composer-options: "--optimize-autoloader --prefer-dist"
+
+      - name: "Setup logs"
+        run: "mkdir -p build/logs"
+
+      - name: "Run PHPUnit (with coverage)"
+        run: "php vendor/bin/simple-phpunit -v --coverage-clover build/logs/clover.xml"
+        env:
+          SYMFONY_PHPUNIT_VERSION: 7.5
+
+      - name: "Retrieve Coveralls phar"
+        run: "wget https://github.com/php-coveralls/php-coveralls/releases/download/v2.4.2/php-coveralls.phar"
+
+      - name: "Enable Coveralls phar"
+        run: "chmod +x php-coveralls.phar"
+
+      - name: "Upload to Coveralls"
+        run: "php php-coveralls.phar -v -x build/logs/clover.xml"
+        env:
+          COVERALLS_REPO_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+  phpunit-lowest:
+    name: "PHPUnit lowest deps (PHP ${{ matrix.php }})"
+    runs-on: "ubuntu-18.04"
+
+    strategy:
+      matrix:
+        php:
+          - "7.2"
+
+    steps:
+      - name: "Checkout"
+        uses: "actions/checkout@v2"
+        with:
+          fetch-depth: 2
+
+      - name: "Install PHP"
+        uses: "shivammathur/setup-php@v2"
+        with:
+          php-version: "${{ matrix.php }}"
+          coverage: "none"
+          tools: composer:v1
+          extensions: tidy
+          ini-values: "date.timezone=Europe/Paris"
+        env:
+          COMPOSER_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: "Remove useless deps"
+        run: "composer remove friendsofphp/php-cs-fixer --dev --no-progress --no-update"
+
+      - name: "Install dependencies with Composer"
+        uses: "ramsey/composer-install@v1"
+        with:
+          composer-options: "--optimize-autoloader --prefer-dist"
+          dependency-versions: "lowest"
+
+      - name: "Setup logs"
+        run: "mkdir -p build/logs"
+
+      - name: "Run PHPUnit"
+        run: "php vendor/bin/simple-phpunit -v"
+        env:
+          SYMFONY_PHPUNIT_VERSION: 7.5
+
+  phpunit-composerv2:
+    name: "PHPUnit with Composer v2 (PHP ${{ matrix.php }})"
+    runs-on: "ubuntu-18.04"
+
+    strategy:
+      matrix:
+        php:
+          - "7.4"
+
+    steps:
+      - name: "Checkout"
+        uses: "actions/checkout@v2"
+        with:
+          fetch-depth: 2
+
+      - name: "Install PHP"
+        uses: "shivammathur/setup-php@v2"
+        with:
+          php-version: "${{ matrix.php }}"
+          coverage: "none"
+          tools: composer:v2
+          extensions: tidy
+          ini-values: "date.timezone=Europe/Paris"
+        env:
+          COMPOSER_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: "Remove useless deps"
+        run: "composer remove friendsofphp/php-cs-fixer --dev --no-progress --no-update"
+
+      - name: "Install dependencies with Composer"
+        uses: "ramsey/composer-install@v1"
+        with:
+          composer-options: "--optimize-autoloader --prefer-dist"
+
+      - name: "Setup logs"
+        run: "mkdir -p build/logs"
+
+      - name: "Run PHPUnit"
+        run: "php vendor/bin/simple-phpunit -v"
+        env:
+          SYMFONY_PHPUNIT_VERSION: 7.5
diff --git a/.travis.yml b/.travis.yml
index 2d4eb38..da28dd6 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,26 +2,18 @@ dist: xenial
 os: linux
 language: php
 
-php:
-    - 5.6
-    - 7.0
-    - 7.1
+# avoid double Travis build when the PR is created on upstream
+if: |
+    type = pull_request OR \
+    branch = master
 
 jobs:
     include:
-        - php: 7.2
-          env: SYMFONY_PHPUNIT_VERSION=7.5
-        - php: 7.2
-          env: SYMFONY_PHPUNIT_VERSION=7.5 COMPOSER_FLAGS="--prefer-lowest"
-        - php: 7.3
-          env: SYMFONY_PHPUNIT_VERSION=7.5 CS_FIXER=run COVERAGE=run
-        - php: 7.4
-          env: SYMFONY_PHPUNIT_VERSION=7.5
-        - php: nightly
+        - php: 8.0
           env: SYMFONY_PHPUNIT_VERSION=7.5
     fast_finish: true
     allow_failures:
-        - php: nightly
+        - php: 8.0
 
 cache:
     directories:
@@ -31,24 +23,12 @@ before_install:
     - if [ -n "$GH_TOKEN" ]; then composer config github-oauth.github.com ${GH_TOKEN}; fi;
 
 install:
-    - if [ "$CS_FIXER" = "run" ]; then composer require phpstan/phpstan phpstan/phpstan-phpunit --dev --no-progress --no-suggest ; fi;
     - if [ "$CS_FIXER" != "run" ]; then composer remove friendsofphp/php-cs-fixer --dev --no-progress --no-update ; fi;
-    - composer update --prefer-dist --no-progress --no-suggest -o $COMPOSER_FLAGS
+    - composer update --prefer-dist --no-progress --no-suggest -o $
     - php vendor/bin/simple-phpunit install
 
 before_script:
     - mkdir -p build/logs
-    - if [ "$COVERAGE" = "run" ]; then PHPUNIT_FLAGS="--coverage-clover build/logs/clover.xml"; fi;
 
 script:
-    - php vendor/bin/simple-phpunit -v $PHPUNIT_FLAGS
-    - if [ "$CS_FIXER" = "run" ]; then php vendor/bin/php-cs-fixer fix --verbose --dry-run ; fi;
-    - if [ "$CS_FIXER" = "run" ]; then php vendor/bin/phpstan analyse src tests --no-progress --level 1 ; fi;
-
-after_success:
-    - |
-        if [ "$COVERAGE" = "run" ]; then
-            wget https://github.com/php-coveralls/php-coveralls/releases/download/v2.2.0/php-coveralls.phar
-            chmod +x php-coveralls.phar
-            php php-coveralls.phar -v -x build/logs/clover.xml
-        fi
+    - php vendor/bin/simple-phpunit -v
diff --git a/README.md b/README.md
index e5cb089..a1eebee 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,6 @@
 # Readability
 
+![CI](https://github.com/j0k3r/php-readability/workflows/CI/badge.svg)
 [![Build Status](https://travis-ci.org/j0k3r/php-readability.svg?branch=master)](https://travis-ci.org/j0k3r/php-readability)
 [![Coverage Status](https://coveralls.io/repos/j0k3r/php-readability/badge.svg?branch=master&service=github)](https://coveralls.io/github/j0k3r/php-readability/?branch=master)
 [![Total Downloads](https://poser.pugx.org/j0k3r/php-readability/downloads)](https://packagist.org/packages/j0k3r/php-readability)
diff --git a/phpstan.neon b/phpstan.neon
index 5cc2547..7c1f51c 100644
--- a/phpstan.neon
+++ b/phpstan.neon
@@ -1,8 +1,13 @@
-includes:
-    - vendor/phpstan/phpstan-phpunit/extension.neon
-    - vendor/phpstan/phpstan-phpunit/rules.neon
-
 parameters:
+    level: 1
+    paths:
+        - src
+        - tests
+
     # https://github.com/phpstan/phpstan/issues/694#issuecomment-350724288
-    autoload_files:
+    bootstrapFiles:
         - vendor/bin/.phpunit/phpunit-7.5-0/vendor/autoload.php
+
+includes:
+    - vendor/phpstan/phpstan-phpunit/extension.neon
+    - vendor/phpstan/phpstan-phpunit/rules.neon