diff --git a/composer.json b/composer.json
index 957fbb4b1..7b2a8614f 100644
--- a/composer.json
+++ b/composer.json
@@ -53,7 +53,7 @@
       "webmozart/path-util": "^2.3"
    },
    "require-dev": {
-      "phpstan/phpstan": "1.8.6",
+      "phpstan/phpstan": "1.8.8",
       "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 71e413d01..6a3eca76f 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": "29badb76ebb63167718947cad48bd37d",
+    "content-hash": "8153377a26bfd4a342a9b7101580f1ea",
     "packages": [
         {
             "name": "adhocore/json-comment",
@@ -1506,16 +1506,16 @@
         },
         {
             "name": "phpstan/phpstan",
-            "version": "1.8.6",
+            "version": "1.8.8",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpstan/phpstan.git",
-                "reference": "c386ab2741e64cc9e21729f891b28b2b10fe6618"
+                "reference": "08310ce271984587e2a4cda94e1ac66510a6ea07"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/c386ab2741e64cc9e21729f891b28b2b10fe6618",
-                "reference": "c386ab2741e64cc9e21729f891b28b2b10fe6618",
+                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/08310ce271984587e2a4cda94e1ac66510a6ea07",
+                "reference": "08310ce271984587e2a4cda94e1ac66510a6ea07",
                 "shasum": ""
             },
             "require": {
@@ -1545,7 +1545,7 @@
             ],
             "support": {
                 "issues": "https://github.com/phpstan/phpstan/issues",
-                "source": "https://github.com/phpstan/phpstan/tree/1.8.6"
+                "source": "https://github.com/phpstan/phpstan/tree/1.8.8"
             },
             "funding": [
                 {
@@ -1561,7 +1561,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2022-09-23T09:54:39+00:00"
+            "time": "2022-10-06T12:51:57+00:00"
         },
         {
             "name": "phpstan/phpstan-phpunit",