diff --git a/phpstan.neon b/phpstan.neon
index aeb0535..1163c0e 100644
--- a/phpstan.neon
+++ b/phpstan.neon
@@ -1,5 +1,5 @@
 parameters:
-	level: 6
+	level: 8
 	paths:
 		- src
 		- test