diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 257264a..483c43d 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -27,7 +27,7 @@ jobs:
         run: vendor/bin/phpunit
 
       - name: Run phpstan
-        run: vendor/bin/phpstan analyze --no-progress --level=4 src/
+        run: vendor/bin/phpstan analyze --no-progress src/
 
       - name: Validate coding standards
         run: vendor/bin/phpcs
diff --git a/composer.json b/composer.json
index 9a0c58f..00da9c2 100755
--- a/composer.json
+++ b/composer.json
@@ -21,7 +21,7 @@
     },
     "require-dev": {
         "phpunit/phpunit": "^10.0 || ^11.0",
-        "phpstan/phpstan": "^1",
+        "phpstan/phpstan": "^2",
         "squizlabs/php_codesniffer": "^3.8",
         "slevomat/coding-standard": "~8.0"
     },