diff --git a/.github/workflows/phpstan.yml b/.github/workflows/phpstan.yml
index a9affb3..a9a84ee 100644
--- a/.github/workflows/phpstan.yml
+++ b/.github/workflows/phpstan.yml
@@ -12,6 +12,6 @@ jobs:
       - uses: php-actions/phpstan@v3
         with:
           path: src/ tests/
-          level: 9
+          level: 10
 
   
\ No newline at end of file
diff --git a/composer.json b/composer.json
index d2b8fc5..1f4532c 100644
--- a/composer.json
+++ b/composer.json
@@ -23,12 +23,12 @@
     "guzzlehttp/psr7": "^2.0"
   },
   "require-dev": {
-    "phpstan/phpstan": "^1.11",
     "phpunit/phpunit": "^10.5",
     "guzzlehttp/guzzle": "^7.8",
     "friendsofphp/php-cs-fixer": "^3.57",
     "vimeo/psalm": "^5.24",
-    "psalm/plugin-phpunit": "^0.19"
+    "psalm/plugin-phpunit": "^0.19",
+    "phpstan/phpstan": "^2.0"
   },
   "suggest": {
     "guzzlehttp/guzzle": "^7.0",
diff --git a/phpstan.neon b/phpstan.neon
index d461cdd..c51ec87 100644
--- a/phpstan.neon
+++ b/phpstan.neon
@@ -1,5 +1,5 @@
 parameters:
-  level: 9
+  level: 10
   paths:
     - src
     - tests
\ No newline at end of file