diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 0a4727b..e8b9893 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -13,7 +13,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        php-version: ['7.4', '8.0']
+        php-version: ['7.4', '8.0', '8.1']
         composer-flags: ['']
         name: ['']
         include:
diff --git a/composer.json b/composer.json
index ad4f927..15e13c3 100644
--- a/composer.json
+++ b/composer.json
@@ -36,10 +36,10 @@
         "guzzlehttp/psr7": "^1.4",
         "php-http/client-common": "^2.0",
         "php-http/message": "^1.3",
-        "symfony/console": "^4.4 || ^5.0",
-        "symfony/dom-crawler": "^4.4 || ^5.0",
-        "symfony/finder": "^4.4 || ^5.0",
-        "symfony/yaml": "^4.4 || ^5.0"
+        "symfony/console": "^4.4 || ^5.0 || ^6.0",
+        "symfony/dom-crawler": "^4.4 || ^5.0 || ^6.0",
+        "symfony/finder": "^4.4 || ^5.0 || ^6.0",
+        "symfony/yaml": "^4.4 || ^5.0 || ^6.0"
     },
     "require-dev": {
         "friendsofphp/php-cs-fixer": "^2.10"