diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b04960f..8c35c6f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -1,80 +1,80 @@
 name: CI
 
 on:
-    pull_request: ~
-    push:
-        branches:
-            - master
-        tags:
-            - '*'
+  pull_request: ~
+  push:
+    branches:
+      - master
+    tags:
+      - '*'
 
 jobs:
-    coding-style:
-        name: Coding Style
-        runs-on: ubuntu-latest
-        steps:
-            - name: Setup PHP
-              uses: shivammathur/setup-php@2.9.0
-              with:
-                  php-version: 7.4
-                  extensions: dom, fileinfo, filter, gd, hash, intl, json, mbstring, pcre, pdo, zlib
-                  coverage: none
+  coding-style:
+    name: Coding Style
+    runs-on: ubuntu-latest
+    steps:
+      - name: Setup PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: 8.0
+          extensions: dom, fileinfo, filter, gd, hash, intl, json, mbstring, pcre, pdo, zlib
+          coverage: none
 
-            - name: Checkout
-              uses: actions/checkout@v2
+      - name: Checkout
+        uses: actions/checkout@v3
 
-            - name: Install the dependencies
-              run: composer install --no-interaction --no-suggest
-            - name: Check the coding style
-              run: vendor/bin/php-cs-fixer fix --diff --dry-run
-            - name: Analyze the code
-              run: vendor/bin/phpstan analyze src/ tests/ --level=max
+      - name: Install the dependencies
+        run: composer install --no-interaction --no-suggest
+      - name: Check the coding style
+        run: vendor/bin/php-cs-fixer fix --diff --dry-run
+      - name: Analyze the code
+        run: vendor/bin/phpstan analyze
 
-    tests:
-        name: PHP ${{ matrix.php }} / SF ^${{ matrix.symfony }}
-        runs-on: ubuntu-latest
-        strategy:
-            fail-fast: false
-            matrix:
-                php: [7.4, 8.0]
-                symfony: [4.4, 5.4, 6.0]
-                exclude:
-                    # Symfony 6.0 does not supports php <8.0
-                    - php: 7.4
-                      symfony: 6.0
-        steps:
-            - name: Setup PHP
-              uses: shivammathur/setup-php@2.9.0
-              with:
-                  php-version: ${{ matrix.php }}
-                  extensions: dom, fileinfo, filter, gd, hash, intl, json, mbstring, pcre, pdo_mysql, zlib
-                  coverage: none
+  tests:
+    name: PHP ${{ matrix.php }} / SF ^${{ matrix.symfony }}
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        php: [8.0, 8.1]
+        symfony: [5.4, 6.0, 6.1]
+        exclude:
+          # Symfony 6.1 does not support php <8.1
+          - php: 8.0
+            symfony: 6.1
+    steps:
+      - name: Setup PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: ${{ matrix.php }}
+          extensions: dom, fileinfo, filter, gd, hash, intl, json, mbstring, pcre, pdo_mysql, zlib
+          coverage: none
 
-            - name: Checkout
-              uses: actions/checkout@v2
+      - name: Checkout
+        uses: actions/checkout@v3
 
-            - name: Install the dependencies
-              run: |
-                composer require symfony/framework-bundle:^${{ matrix.symfony }} symfony/http-foundation:^${{ matrix.symfony }}
-                composer install --no-interaction --no-suggest
-            - name: Run the unit tests
-              run: vendor/bin/phpunit --colors=always
+      - name: Install the dependencies
+        run: |
+          composer require symfony/framework-bundle:^${{ matrix.symfony }} symfony/http-foundation:^${{ matrix.symfony }}
+          composer install --no-interaction --no-suggest
+      - name: Run the unit tests
+        run: vendor/bin/phpunit --colors=always
 
-    prefer-lowest:
-        name: Prefer Lowest
-        runs-on: ubuntu-latest
-        steps:
-            - name: Setup PHP
-              uses: shivammathur/setup-php@2.7.0
-              with:
-                  php-version: 7.4
-                  extensions: dom, fileinfo, filter, gd, hash, intl, json, mbstring, pcre, pdo_mysql, zlib
-                  coverage: none
+  prefer-lowest:
+    name: Prefer Lowest
+    runs-on: ubuntu-latest
+    steps:
+      - name: Setup PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: 8.0
+          extensions: dom, fileinfo, filter, gd, hash, intl, json, mbstring, pcre, pdo_mysql, zlib
+          coverage: none
 
-            - name: Checkout
-              uses: actions/checkout@v2
+      - name: Checkout
+        uses: actions/checkout@v3
 
-            - name: Install the dependencies
-              run: composer update --prefer-lowest --prefer-stable --no-interaction --no-suggest
-            - name: Run the unit tests
-              run: vendor/bin/phpunit --colors=always
+      - name: Install the dependencies
+        run: composer update --prefer-lowest --prefer-stable --no-interaction --no-suggest
+      - name: Run the unit tests
+        run: vendor/bin/phpunit --colors=always
\ No newline at end of file