diff --git a/Makefile b/Makefile
index 78c586816..8de55c182 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,5 @@
 export PHPDOCUMENTOR_VERSION := v3.0.0-rc
-export PHPSTAN_VERSION := 0.12.18
+export PHPSTAN_VERSION := 0.12.59
 
 vendor: composer.json
 	composer install
diff --git a/phpstan.neon.dist b/phpstan.neon.dist
index 5c8f87a9d..c99645a2b 100644
--- a/phpstan.neon.dist
+++ b/phpstan.neon.dist
@@ -4,7 +4,8 @@ includes:
 parameters:
 	level: 1
 
-	bootstrap: tests/bootstrap.php
+	bootstrapFiles:
+		- tests/bootstrap.php
 
 	ignoreErrors:
 		- '#Unsafe usage of new static\(\).#'