diff --git a/composer.json b/composer.json
index 59d271997..400c32846 100644
--- a/composer.json
+++ b/composer.json
@@ -38,7 +38,7 @@
       "pocketmine/spl": "^0.4.0"
    },
    "require-dev": {
-      "phpstan/phpstan": "1.1.2",
+      "phpstan/phpstan": "1.2.0",
       "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 95940e6cf..99c0f5755 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": "f9c189426c25530b13815cd5cec091cc",
+    "content-hash": "f13c4ed7311b99ac07dca31d2f77ad1d",
     "packages": [
         {
             "name": "adhocore/json-comment",
@@ -1011,16 +1011,16 @@
         },
         {
             "name": "phpstan/phpstan",
-            "version": "1.1.2",
+            "version": "1.2.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpstan/phpstan.git",
-                "reference": "bcea0ae85868a89d5789c75f012c93129f842934"
+                "reference": "cbe085f9fdead5b6d62e4c022ca52dc9427a10ee"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/bcea0ae85868a89d5789c75f012c93129f842934",
-                "reference": "bcea0ae85868a89d5789c75f012c93129f842934",
+                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/cbe085f9fdead5b6d62e4c022ca52dc9427a10ee",
+                "reference": "cbe085f9fdead5b6d62e4c022ca52dc9427a10ee",
                 "shasum": ""
             },
             "require": {
@@ -1036,7 +1036,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "1.0-dev"
+                    "dev-master": "1.2-dev"
                 }
             },
             "autoload": {
@@ -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/1.1.2"
+                "source": "https://github.com/phpstan/phpstan/tree/1.2.0"
             },
             "funding": [
                 {
@@ -1071,7 +1071,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2021-11-09T12:41:09+00:00"
+            "time": "2021-11-18T14:09:01+00:00"
         },
         {
             "name": "phpstan/phpstan-phpunit",