diff --git a/composer.json b/composer.json
index 6122da31..37c90fce 100644
--- a/composer.json
+++ b/composer.json
@@ -23,7 +23,7 @@
     "infection/infection": "~0.13.6",
     "jangregor/phpstan-prophecy": "~0.8.0",
     "phpstan/extension-installer": "^1.0.4",
-    "phpstan/phpstan": "~0.12.30",
+    "phpstan/phpstan": "~0.12.31",
     "phpstan/phpstan-deprecation-rules": "~0.12.4",
     "phpstan/phpstan-phpunit": "~0.12.11",
     "phpstan/phpstan-strict-rules": "~0.12.2",
diff --git a/composer.lock b/composer.lock
index d21e5c89..adf00338 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": "95aa6a8571acb5a4fddb7674282508ef",
+    "content-hash": "4d8c23a13c62dc169f0e54c81ecf70f1",
     "packages": [
         {
             "name": "composer/semver",
@@ -3640,16 +3640,16 @@
         },
         {
             "name": "phpstan/phpstan",
-            "version": "0.12.30",
+            "version": "0.12.31",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpstan/phpstan.git",
-                "reference": "1f2c16d3fbb5eec6e55fbe2358e32570cefa20e5"
+                "reference": "776c8056b401e1b67f277b9e9fb334d1a274671d"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/1f2c16d3fbb5eec6e55fbe2358e32570cefa20e5",
-                "reference": "1f2c16d3fbb5eec6e55fbe2358e32570cefa20e5",
+                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/776c8056b401e1b67f277b9e9fb334d1a274671d",
+                "reference": "776c8056b401e1b67f277b9e9fb334d1a274671d",
                 "shasum": ""
             },
             "require": {
@@ -3692,7 +3692,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2020-06-21T14:08:19+00:00"
+            "time": "2020-06-24T20:55:29+00:00"
         },
         {
             "name": "phpstan/phpstan-deprecation-rules",