diff --git a/playground-runner/composer.lock b/playground-runner/composer.lock
index 7b0215dc51..e8e18979d2 100644
--- a/playground-runner/composer.lock
+++ b/playground-runner/composer.lock
@@ -764,16 +764,16 @@
         },
         {
             "name": "phpstan/phpstan",
-            "version": "0.12.78",
+            "version": "0.12.99",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpstan/phpstan.git",
-                "reference": "eecce8d2ee3cac6769f37b4cb1998b2715f82984"
+                "reference": "b4d40f1d759942f523be267a1bab6884f46ca3f7"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/eecce8d2ee3cac6769f37b4cb1998b2715f82984",
-                "reference": "eecce8d2ee3cac6769f37b4cb1998b2715f82984",
+                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/b4d40f1d759942f523be267a1bab6884f46ca3f7",
+                "reference": "b4d40f1d759942f523be267a1bab6884f46ca3f7",
                 "shasum": ""
             },
             "require": {
@@ -804,13 +804,17 @@
             "description": "PHPStan - PHP Static Analysis Tool",
             "support": {
                 "issues": "https://github.com/phpstan/phpstan/issues",
-                "source": "https://github.com/phpstan/phpstan/tree/0.12.78"
+                "source": "https://github.com/phpstan/phpstan/tree/0.12.99"
             },
             "funding": [
                 {
                     "url": "https://github.com/ondrejmirtes",
                     "type": "github"
                 },
+                {
+                    "url": "https://github.com/phpstan",
+                    "type": "github"
+                },
                 {
                     "url": "https://www.patreon.com/phpstan",
                     "type": "patreon"
@@ -820,7 +824,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2021-02-20T13:24:36+00:00"
+            "time": "2021-09-12T20:09:55+00:00"
         },
         {
             "name": "phpstan/phpstan-strict-rules",
@@ -2502,5 +2506,5 @@
         "php": "~7.2"
     },
     "platform-dev": [],
-    "plugin-api-version": "2.0.0"
+    "plugin-api-version": "2.1.0"
 }