diff --git a/composer.json b/composer.json
index 72831a40..243c442e 100644
--- a/composer.json
+++ b/composer.json
@@ -24,7 +24,7 @@
     "ergebnis/phpstan-rules": "~0.14.2",
     "ergebnis/test-util": "~0.9.1",
     "phpstan/extension-installer": "^1.0.3",
-    "phpstan/phpstan": "~0.12.4",
+    "phpstan/phpstan": "~0.12.5",
     "phpstan/phpstan-deprecation-rules": "~0.12.1",
     "phpstan/phpstan-phpunit": "~0.12.5",
     "phpstan/phpstan-strict-rules": "~0.12.1",
diff --git a/composer.lock b/composer.lock
index 22e2ddc3..b8cedf9d 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": "73e86880b3aa0228a8185478dba801d7",
+    "content-hash": "2bcdfb251c0356c612310e96e046002b",
     "packages": [],
     "packages-dev": [
         {
@@ -542,6 +542,7 @@
                 "json",
                 "normalizer"
             ],
+            "abandoned": "ergebnis/json-normalizer",
             "time": "2019-12-19T17:12:18+00:00"
         },
         {
@@ -2569,16 +2570,16 @@
         },
         {
             "name": "phpstan/phpstan",
-            "version": "0.12.4",
+            "version": "0.12.5",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpstan/phpstan.git",
-                "reference": "100a25ba8561223f6bf5a5ff4204f951c0ec007c"
+                "reference": "71a20c18f06c53605251a00a8efe443fa85225d1"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/100a25ba8561223f6bf5a5ff4204f951c0ec007c",
-                "reference": "100a25ba8561223f6bf5a5ff4204f951c0ec007c",
+                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/71a20c18f06c53605251a00a8efe443fa85225d1",
+                "reference": "71a20c18f06c53605251a00a8efe443fa85225d1",
                 "shasum": ""
             },
             "require": {
@@ -2604,7 +2605,7 @@
                 "MIT"
             ],
             "description": "PHPStan - PHP Static Analysis Tool",
-            "time": "2020-01-06T06:38:17+00:00"
+            "time": "2020-01-12T14:31:21+00:00"
         },
         {
             "name": "phpstan/phpstan-deprecation-rules",