diff --git a/composer.json b/composer.json
index 446134f5..cdf83438 100644
--- a/composer.json
+++ b/composer.json
@@ -28,7 +28,7 @@
     "jangregor/phpstan-prophecy": "~0.6.0",
     "phpbench/phpbench": "~0.16.10",
     "phpstan/extension-installer": "^1.0.3",
-    "phpstan/phpstan": "~0.12.0",
+    "phpstan/phpstan": "~0.12.4",
     "phpstan/phpstan-deprecation-rules": "~0.12.1",
     "phpstan/phpstan-strict-rules": "~0.12.1",
     "phpunit/phpunit": "^7.5.18",
diff --git a/composer.lock b/composer.lock
index 710499c2..e1e5c3dc 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": "a24ba7addfcc7e6b717c1f40addd4c8c",
+    "content-hash": "817ec101822307ae1dae29abaa54a7d5",
     "packages": [
         {
             "name": "ergebnis/json-printer",
@@ -2407,20 +2407,19 @@
         },
         {
             "name": "phpstan/phpstan",
-            "version": "0.12.3",
+            "version": "0.12.4",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpstan/phpstan.git",
-                "reference": "c15a6ea55da71d8133399306f560cfe4d30301b7"
+                "reference": "100a25ba8561223f6bf5a5ff4204f951c0ec007c"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/c15a6ea55da71d8133399306f560cfe4d30301b7",
-                "reference": "c15a6ea55da71d8133399306f560cfe4d30301b7",
+                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/100a25ba8561223f6bf5a5ff4204f951c0ec007c",
+                "reference": "100a25ba8561223f6bf5a5ff4204f951c0ec007c",
                 "shasum": ""
             },
             "require": {
-                "nikic/php-parser": "^4.3.0",
                 "php": "^7.1"
             },
             "bin": [
@@ -2443,7 +2442,7 @@
                 "MIT"
             ],
             "description": "PHPStan - PHP Static Analysis Tool",
-            "time": "2019-12-14T13:41:17+00:00"
+            "time": "2020-01-06T06:38:17+00:00"
         },
         {
             "name": "phpstan/phpstan-deprecation-rules",