diff --git a/composer.json b/composer.json
index 3c7113bbda..3c4aeda3d6 100644
--- a/composer.json
+++ b/composer.json
@@ -123,7 +123,7 @@
         "phpstan/extension-installer": "^1.4",
         "phpstan/phpstan": "^1.10",
         "phpstan/phpstan-deprecation-rules": "^1.1",
-        "phpstan/phpstan-strict-rules": "^1.4",
+        "phpstan/phpstan-strict-rules": "^1.6",
         "phpunit/phpunit": "^10",
         "thecodingmachine/phpstan-strict-rules": "^1.0"
     },
diff --git a/composer.lock b/composer.lock
index 8588ba86aa..643c881ba7 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "6bc37d7f85ac7d57eae64fe4f981efd4",
+    "content-hash": "f323735811b05013a26e4c43cc384869",
     "packages": [
         {
             "name": "bacon/bacon-qr-code",