diff --git a/composer.json b/composer.json
index 15ee28133..8d686c5d4 100644
--- a/composer.json
+++ b/composer.json
@@ -38,7 +38,7 @@
       "pocketmine/spl": "^0.4.0"
    },
    "require-dev": {
-      "phpstan/phpstan": "1.0.2",
+      "phpstan/phpstan": "1.1.1",
       "phpstan/phpstan-phpunit": "^1.0.0",
       "phpstan/phpstan-strict-rules": "^1.0.0",
       "phpunit/phpunit": "^9.2"
diff --git a/composer.lock b/composer.lock
index 6ef7a0726..77ca56a58 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": "352902efd3a960977acfb3ae7bda38da",
+    "content-hash": "5a6a10488d889d0f844cce59e6c34809",
     "packages": [
         {
             "name": "adhocore/json-comment",
@@ -1011,16 +1011,16 @@
         },
         {
             "name": "phpstan/phpstan",
-            "version": "1.0.2",
+            "version": "1.1.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpstan/phpstan.git",
-                "reference": "e9e2a501102ba0b126b2f63a7f0a3b151056fe91"
+                "reference": "cb317029197236c571c1b9305b8dd12850d8d85c"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/e9e2a501102ba0b126b2f63a7f0a3b151056fe91",
-                "reference": "e9e2a501102ba0b126b2f63a7f0a3b151056fe91",
+                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/cb317029197236c571c1b9305b8dd12850d8d85c",
+                "reference": "cb317029197236c571c1b9305b8dd12850d8d85c",
                 "shasum": ""
             },
             "require": {
@@ -1051,7 +1051,7 @@
             "description": "PHPStan - PHP Static Analysis Tool",
             "support": {
                 "issues": "https://github.com/phpstan/phpstan/issues",
-                "source": "https://github.com/phpstan/phpstan/tree/1.0.2"
+                "source": "https://github.com/phpstan/phpstan/tree/1.1.1"
             },
             "funding": [
                 {
@@ -1071,7 +1071,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2021-11-03T16:09:51+00:00"
+            "time": "2021-11-06T22:46:47+00:00"
         },
         {
             "name": "phpstan/phpstan-phpunit",