diff --git a/composer.json b/composer.json
index 9be87c63..188b44bf 100644
--- a/composer.json
+++ b/composer.json
@@ -22,7 +22,7 @@
     "php-parallel-lint/php-parallel-lint": "^1.2.0",
     "phpspec/prophecy": "^1.12.2",
     "phpspec/prophecy-phpunit": "^2.0.1",
-    "phpstan/phpstan": "^0.12.71",
+    "phpstan/phpstan": "^0.12.73",
     "phpunit/phpunit": "^9.5.2",
     "psalm/plugin-phpunit": "^0.15.1",
     "roave/backward-compatibility-check": "^5.0.0",
diff --git a/composer.lock b/composer.lock
index fb1d8038..8057fbe5 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": "651872390696c5ce41681be70a521686",
+    "content-hash": "dc1c0b5790c8eb6b656656668ccfe946",
     "packages": [
         {
             "name": "amphp/amp",
@@ -3570,16 +3570,16 @@
         },
         {
             "name": "phpstan/phpstan",
-            "version": "0.12.71",
+            "version": "0.12.73",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpstan/phpstan.git",
-                "reference": "d508fa3b0ecc5fc91ac70c6c7ac2862f968ba2b5"
+                "reference": "a08c2759d132b4247b32e03066401c3232ad99b7"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/d508fa3b0ecc5fc91ac70c6c7ac2862f968ba2b5",
-                "reference": "d508fa3b0ecc5fc91ac70c6c7ac2862f968ba2b5",
+                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/a08c2759d132b4247b32e03066401c3232ad99b7",
+                "reference": "a08c2759d132b4247b32e03066401c3232ad99b7",
                 "shasum": ""
             },
             "require": {
@@ -3610,7 +3610,7 @@
             "description": "PHPStan - PHP Static Analysis Tool",
             "support": {
                 "issues": "https://github.com/phpstan/phpstan/issues",
-                "source": "https://github.com/phpstan/phpstan/tree/0.12.71"
+                "source": "https://github.com/phpstan/phpstan/tree/0.12.73"
             },
             "funding": [
                 {
@@ -3626,7 +3626,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2021-02-01T18:24:00+00:00"
+            "time": "2021-02-07T16:26:54+00:00"
         },
         {
             "name": "phpstan/phpstan-deprecation-rules",