diff --git a/phpstan.neon.dist b/phpstan.neon.dist
index 56085cb..29ccebc 100644
--- a/phpstan.neon.dist
+++ b/phpstan.neon.dist
@@ -2,9 +2,10 @@ includes:
     - ./vendor/larastan/larastan/extension.neon
     - ./vendor/phpstan/phpstan-mockery/extension.neon
 parameters:
-    level: 3
+    level: 4
     paths:
         - src
         - tests
+    treatPhpDocTypesAsCertain: false
     ignoreErrors:
         - '#Unsafe usage of new static\(\).#'