diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 66923a8..82ea8f9 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -7,8 +7,8 @@ jobs:
     runs-on: ubuntu-20.04
     strategy:
       matrix:
-        php-version: [ '7.2', '7.3', '7.4', '8.0', '8.1' ]
-        symfony-version: ['^4.4', '^5.0']
+        php-version: ['7.2', '7.3', '7.4', '8.0', '8.1']
+        symfony-version: ['^4.4', '^5.0', '^5.4']
     steps:
       - uses: actions/checkout@master
       - uses: shivammathur/setup-php@v2
diff --git a/composer.json b/composer.json
index 7016bac..2f17054 100644
--- a/composer.json
+++ b/composer.json
@@ -9,7 +9,7 @@
         }
     ],
     "require" : {
-        "php" : ">=7.2",
+        "php" : "~7.2 || ^8.0 || ^8.1",
         "ext-pcntl" : "*",
         "psr/event-dispatcher": "^1.0",
         "symfony/console" : "~4.4 || ~5.0",