diff --git a/.github/workflows/Tests.yaml b/.github/workflows/Tests.yaml
index fc97026..b2075ab 100644
--- a/.github/workflows/Tests.yaml
+++ b/.github/workflows/Tests.yaml
@@ -18,9 +18,11 @@ jobs:
           - 8.1
           - 8.2
           - 8.3
+          - 8.4
         phpunit:
           - 10
           - 11
+          - 12
         exclude:
           - php: 8.1
             phpunit: 11
diff --git a/composer.json b/composer.json
index f7a63ac..a566fff 100644
--- a/composer.json
+++ b/composer.json
@@ -10,7 +10,7 @@
   ],
   "require": {
     "php": ">=8.1",
-    "phpunit/phpunit": "^10.5.28|^11.2.8"
+    "phpunit/phpunit": "^10.5.28|^11.2.8|^12.0"
   },
   "autoload": {
     "psr-4": {