diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 573d774..2ef744d 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -8,7 +8,8 @@ jobs:
     strategy:
       matrix:
         php-version:
-          - "8.0"
+          - "8.1"
+          - "8.2"
 
     runs-on: ubuntu-latest
 
diff --git a/composer.json b/composer.json
index 8add8d8..9cae55a 100644
--- a/composer.json
+++ b/composer.json
@@ -10,12 +10,12 @@
         }
     ],
     "require": {
-        "php": "^8.0"
+        "php": "^8.1"
     },
     "require-dev": {
-        "friendsofphp/php-cs-fixer": "^3.14",
-        "phpunit/phpunit": "^9.6",
-        "phpstan/phpstan": "^1.10"
+        "friendsofphp/php-cs-fixer": "^3.27",
+        "phpunit/phpunit": "^9.6.13",
+        "phpstan/phpstan": "^1.10.35"
     },
     "autoload": {
         "psr-4": {