diff --git a/composer.json b/composer.json
index 55bbb0c..f3582f6 100644
--- a/composer.json
+++ b/composer.json
@@ -40,8 +40,8 @@
   },
   "require-dev": {
     "phpstan/extension-installer": "^1.3.1",
-    "phpstan/phpstan": "^1.10.67",
-    "phpstan/phpstan-deprecation-rules": "^1.1.4",
+    "phpstan/phpstan": "^1.11.1",
+    "phpstan/phpstan-deprecation-rules": "^1.2.0",
     "symplify/phpstan-rules": "^12.4.9",
     "tomasvotruba/cognitive-complexity": "^0.2.3",
     "tomasvotruba/type-coverage": "^0.2.8",