diff --git a/.github/workflows/github-actions.yml b/.github/workflows/github-actions.yml
index 71b19a2..78e9e19 100644
--- a/.github/workflows/github-actions.yml
+++ b/.github/workflows/github-actions.yml
@@ -13,10 +13,20 @@ jobs:
     strategy:
       matrix:
         include:
-          - php: '7.1'
           - php: '7.2'
+            phpunit: '6'
           - php: '7.3'
+            phpunit: '6'
           - php: '7.4'
+            phpunit: '6'
+          - php: '8.0'
+            phpunit: '8'
+          - php: '8.1'
+            phpunit: '8'
+          - php: '8.2'
+            phpunit: '8'
+          - php: '8.3'
+            phpunit: '8'
       fail-fast: false
     runs-on: ubuntu-22.04
     steps:
@@ -26,7 +36,7 @@ jobs:
         uses: shivammathur/setup-php@v2
         with:
           php-version: "${{ matrix.php }}"
-          tools: phpunit:6
+          tools: phpunit:"${{ matrix.phpunit }}"
       - name: Validate composer.json and composer.lock
         run: composer validate --strict
       - name: Cache Composer packages
diff --git a/composer.json b/composer.json
index b9cb37d..1d7f50b 100644
--- a/composer.json
+++ b/composer.json
@@ -11,8 +11,8 @@
         }
     ],
     "require": {
-        "php": "^7.1",
-        "lstrojny/fxmlrpc": "^0.15"
+        "php": "^7.2 || ^8.0",
+        "lstrojny/fxmlrpc": "^0.22"
     },
     "config": {
         "sort-packages": true
@@ -29,10 +29,9 @@
         }
     },
     "require-dev": {
-        "matthiasnoback/symfony-config-test": "^3.0",
-        "sllh/php-cs-fixer-styleci-bridge": "^2.1",
-        "symfony/dependency-injection": "^2.8 || ^3.0",
-        "symfony/http-kernel": "^2.8 || ^3.0"
+        "matthiasnoback/symfony-config-test": "^4.3",
+        "symfony/dependency-injection": "^4.4",
+        "symfony/http-kernel": "^4.4"
     },
     "suggest": {
         "php-http/httplug-bundle": "For Symfony integration as a bundle with lstrojny/fxmlrpc"