diff --git a/composer.json b/composer.json
index 3690ba8..63cc77d 100644
--- a/composer.json
+++ b/composer.json
@@ -17,7 +17,7 @@
         "typo3fluid/fluid": "^2.7.2"
     },
     "require-dev": {
-        "phpstan/phpstan": "1.8.11"
+        "phpstan/phpstan": "1.9.13"
     },
     "extra": {
         "typo3/cms": {