diff --git a/composer.json b/composer.json
index 3f417d1f26e..995703d76d2 100644
--- a/composer.json
+++ b/composer.json
@@ -53,7 +53,7 @@
       "webmozart/path-util": "^2.3"
    },
    "require-dev": {
-      "phpstan/phpstan": "1.7.8",
+      "phpstan/phpstan": "1.8.1",
       "phpstan/phpstan-phpunit": "^1.1.0",
       "phpstan/phpstan-strict-rules": "^1.2.0",
       "phpunit/phpunit": "^9.2"
diff --git a/composer.lock b/composer.lock
index 70a4b19cc28..f3c50d2857d 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": "1e967ff64cee3cae84242cc3e5a51752",
+    "content-hash": "9408f853096e7782e2fa8e0837c39dcb",
     "packages": [
         {
             "name": "adhocore/json-comment",
@@ -1819,16 +1819,16 @@
         },
         {
             "name": "phpstan/phpstan",
-            "version": "1.7.8",
+            "version": "1.8.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpstan/phpstan.git",
-                "reference": "2bf3d43015d56abac4d002a4d2d6c3a7d6fa627a"
+                "reference": "8dbba631fa32f4b289404469c2afd6122fd61d67"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/2bf3d43015d56abac4d002a4d2d6c3a7d6fa627a",
-                "reference": "2bf3d43015d56abac4d002a4d2d6c3a7d6fa627a",
+                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/8dbba631fa32f4b289404469c2afd6122fd61d67",
+                "reference": "8dbba631fa32f4b289404469c2afd6122fd61d67",
                 "shasum": ""
             },
             "require": {
@@ -1854,7 +1854,7 @@
             "description": "PHPStan - PHP Static Analysis Tool",
             "support": {
                 "issues": "https://github.com/phpstan/phpstan/issues",
-                "source": "https://github.com/phpstan/phpstan/tree/1.7.8"
+                "source": "https://github.com/phpstan/phpstan/tree/1.8.1"
             },
             "funding": [
                 {
@@ -1874,7 +1874,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2022-06-01T13:43:17+00:00"
+            "time": "2022-07-12T16:08:06+00:00"
         },
         {
             "name": "phpstan/phpstan-phpunit",