diff --git a/.circleci/config.yml b/.circleci/config.yml
deleted file mode 100644
index be58426..0000000
--- a/.circleci/config.yml
+++ /dev/null
@@ -1,44 +0,0 @@
-version: 2.1
-
-executors:
-    php:
-        docker:
-            - image: circleci/php:7.2
-        environment:
-            TZ: '/usr/share/zoneinfo/Europe/Paris'
-        working_directory: ~/Symfony-custom-coding-standard
-
-commands:
-    start:
-        steps:
-            - checkout
-            - run: sudo apt-get update
-            - run: sudo apt-get install -y ant
-
-jobs:
-    test:
-        executor: php
-        steps:
-            - start
-            - restore_cache:
-                  keys:
-                      - v1-dependencies-{{ checksum "composer.lock" }}
-                      - v1-dependencies-
-            - run: ant test
-            - save_cache:
-                  paths:
-                      - vendor
-                  key: v1-dependencies-{{ checksum "composer.lock" }}
-    lowest:
-        executor: php
-        steps:
-            - start
-            - run: composer update --prefer-lowest
-            - run: ant phpunit
-
-workflows:
-    version: 2
-    check:
-        jobs:
-            - test
-            - lowest
diff --git a/.github/workflows/tests.yaml b/.github/workflows/tests.yaml
new file mode 100644
index 0000000..c82fc86
--- /dev/null
+++ b/.github/workflows/tests.yaml
@@ -0,0 +1,56 @@
+name: Test
+
+on:
+    push:
+        branches:
+            - master
+    pull_request:
+
+jobs:
+    test:
+        name: PHP ${{ matrix.php-version }} + ${{ matrix.dependencies }}
+        runs-on: ubuntu-18.04
+
+        strategy:
+            matrix:
+                php-version:
+                    - 7.4
+                    - 8.0
+                dependencies: [highest]
+                include:
+                    - php-version: 7.2
+                      dependencies: lowest
+
+        steps:
+            - name: Checkout
+              uses: actions/checkout@v2
+
+            - name: Install PHP with extensions
+              uses: shivammathur/setup-php@v2
+              with:
+                  php-version: ${{ matrix.php-version }}
+                  coverage: pcov
+                  tools: composer:v2
+
+            - name: Install Composer dependencies (PHP 7 ${{ matrix.dependencies }})
+              if: matrix.php-version != '8.0'
+              uses: ramsey/composer-install@v1
+              with:
+                  dependency-versions: ${{ matrix.dependencies }}
+                  composer-options: --prefer-dist --prefer-stable
+
+            - name: Install Composer dependencies (PHP 8 ${{ matrix.dependencies }})
+              if: matrix.php-version == '8.0'
+              uses: ramsey/composer-install@v1
+              with:
+                  dependency-versions: ${{ matrix.dependencies }}
+                  composer-options: --prefer-dist --prefer-stable --ignore-platform-reqs
+
+            - name: Perform syntax check
+              run: ant lint
+
+            - name: Find coding standard violations using PHP Code Sniffer
+              run: ant phpcs
+
+            - name: Run unit tests with PHPUnit
+              run: ant phpunit