diff --git a/.github/workflows/phpunit.yml b/.github/workflows/phpunit.yml
index cae023f..8dc94af 100644
--- a/.github/workflows/phpunit.yml
+++ b/.github/workflows/phpunit.yml
@@ -9,7 +9,7 @@ jobs:
         strategy:
             fail-fast: true
             matrix:
-                php: [ "8.0", "8.1" ]
+                php: [ "8.0", "8.1", "8.2", "8.3", "8.4" ]
 
         name: PHP ${{ matrix.php }}
 
diff --git a/composer.json b/composer.json
index 5581016..692a7c4 100644
--- a/composer.json
+++ b/composer.json
@@ -40,7 +40,7 @@
         "dragon-code/support": "^6.11.2"
     },
     "require-dev": {
-        "phpunit/phpunit": "^9.6 || ^10.2"
+        "phpunit/phpunit": "^9.6 || ^10.0 || ^11.0 || ^12.0"
     },
     "suggest": {
         "symfony/thanks": "Give thanks (in the form of a GitHub) to your fellow PHP package maintainers"
@@ -67,4 +67,4 @@
         "preferred-install": "dist",
         "sort-packages": true
     }
-}
\ No newline at end of file
+}