diff --git a/composer.json b/composer.json
index 3c1bd5b5..446134f5 100644
--- a/composer.json
+++ b/composer.json
@@ -30,7 +30,7 @@
     "phpstan/extension-installer": "^1.0.3",
     "phpstan/phpstan": "~0.12.0",
     "phpstan/phpstan-deprecation-rules": "~0.12.1",
-    "phpstan/phpstan-strict-rules": "~0.12.0",
+    "phpstan/phpstan-strict-rules": "~0.12.1",
     "phpunit/phpunit": "^7.5.18",
     "psalm/plugin-phpunit": "~0.8.0",
     "vimeo/psalm": "^3.8.1"
diff --git a/composer.lock b/composer.lock
index 0bb7e173..710499c2 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": "e1a207d4e2e5786c48e72f074be99390",
+    "content-hash": "a24ba7addfcc7e6b717c1f40addd4c8c",
     "packages": [
         {
             "name": "ergebnis/json-printer",
@@ -2498,28 +2498,27 @@
         },
         {
             "name": "phpstan/phpstan-strict-rules",
-            "version": "0.12.0",
+            "version": "0.12.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpstan/phpstan-strict-rules.git",
-                "reference": "48bbf6f03a0f7341c6b4a83360f3562c3e59a6d2"
+                "reference": "08f2e51454153e707c6f4fa2c339a59811e83200"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpstan/phpstan-strict-rules/zipball/48bbf6f03a0f7341c6b4a83360f3562c3e59a6d2",
-                "reference": "48bbf6f03a0f7341c6b4a83360f3562c3e59a6d2",
+                "url": "https://api.github.com/repos/phpstan/phpstan-strict-rules/zipball/08f2e51454153e707c6f4fa2c339a59811e83200",
+                "reference": "08f2e51454153e707c6f4fa2c339a59811e83200",
                 "shasum": ""
             },
             "require": {
-                "nikic/php-parser": "^4.0",
                 "php": "~7.1",
                 "phpstan/phpstan": "^0.12"
             },
             "require-dev": {
                 "consistence/coding-standard": "^3.0.1",
                 "dealerdirect/phpcodesniffer-composer-installer": "^0.4.4",
+                "ergebnis/composer-normalize": "^2.0.2",
                 "jakub-onderka/php-parallel-lint": "^1.0",
-                "localheinz/composer-normalize": "^1.2.0",
                 "phing/phing": "^2.16.0",
                 "phpstan/phpstan-phpunit": "^0.12",
                 "phpunit/phpunit": "^7.0",
@@ -2546,7 +2545,7 @@
                 "MIT"
             ],
             "description": "Extra strict and opinionated rules for PHPStan",
-            "time": "2019-11-21T18:03:27+00:00"
+            "time": "2020-01-01T17:32:25+00:00"
         },
         {
             "name": "phpunit/php-code-coverage",