diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index a9bf6275..2cc0795c 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -15,20 +15,36 @@ jobs:
         php-version: ['8.1', '8.2', '8.3']
         composer-flags: ['']
         symfony-version: ['^6.4']
+        phpunit-version: ['^9.6']
         include:
           - php-version: 7.4
             symfony-version: "^5.4"
+            phpunit-version: '^9.6'
             composer-flags: "--prefer-lowest"
           - php-version: 8.1
             symfony-version: "^5.4"
+            phpunit-version: "^10.0"
           - php-version: 8.1
             symfony-version: "^6.4"
+            phpunit-version: "^10.0"
           - php-version: 8.2
             symfony-version: "^6.4"
+            phpunit-version: "^10.0"
           - php-version: 8.2
             symfony-version: "^7.0"
+            phpunit-version: "^10.0"
           - php-version: 8.3
             symfony-version: "^7.0"
+            phpunit-version: "^10.0"
+          - php-version: 8.2
+            symfony-version: "^6.4"
+            phpunit-version: "^11.0"
+          - php-version: 8.2
+            symfony-version: "^7.0"
+            phpunit-version: "^11.0"
+          - php-version: 8.3
+            symfony-version: "^7.0"
+            phpunit-version: "^11.0"
 
     steps:
       - name: Checkout
@@ -65,6 +81,7 @@ jobs:
           symfony/twig-bundle=${{ matrix.symfony-version }}
           symfony/validator=${{ matrix.symfony-version }}
           symfony/yaml=${{ matrix.symfony-version }}
+          phpunit/phpunit=${{ matrix.phpunit-version }}
 
       # This is needed to fix builds where the `annotation_reader` service may not be set up if
       # the Annotations package is not in the production dependencies
diff --git a/composer.json b/composer.json
index 5b5fff92..9384effe 100644
--- a/composer.json
+++ b/composer.json
@@ -16,7 +16,7 @@
     ],
     "require": {
         "php": "^7.4 || ^8.0",
-        "phpunit/phpunit": "^9.6 || ^10.0",
+        "phpunit/phpunit": "^9.6 || ^10.0 || ^11.0",
         "symfony/browser-kit": "^5.4 || ^6.4 || ^7.0",
         "symfony/framework-bundle": "^5.4 || ^6.4 || ^7.0"
     },