diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index d3fee8c..539233f 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -8,7 +8,7 @@ on:
 
 jobs:
   phpunit:
-    runs-on: "ubuntu-20.04"
+    runs-on: "ubuntu-22.04"
 
     strategy:
       fail-fast: false
@@ -17,9 +17,13 @@ jobs:
           - "7.4"
           - "8.0"
           - "8.1"
+          - "8.2"
+          - "8.3"
+          - "8.4"
+          - "8.5"
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v5
 
       - name: "Install PHP ${{ matrix.php-version }}"
         uses: "shivammathur/setup-php@v2"
@@ -28,7 +32,7 @@ jobs:
           coverage: "pcov"
 
       - name: "Install dependencies with Composer"
-        uses: "ramsey/composer-install@v1"
+        uses: "ramsey/composer-install@v3"
 
       - name: "Run PHPUnit"
         run: "vendor/bin/simple-phpunit --coverage-text"
diff --git a/composer.json b/composer.json
index a60bc88..ddcde5d 100644
--- a/composer.json
+++ b/composer.json
@@ -25,6 +25,6 @@
         }
     },
     "require-dev": {
-        "symfony/phpunit-bridge": "^5.0"
+        "symfony/phpunit-bridge": "^5.0 || ^6.0"
     }
 }