diff --git a/composer.json b/composer.json
index 63e595a0..db8b54d8 100644
--- a/composer.json
+++ b/composer.json
@@ -31,7 +31,7 @@
     "ergebnis/test-util": "^1.0.0",
     "jangregor/phpstan-prophecy": "~0.8.0",
     "phpstan/extension-installer": "^1.0.4",
-    "phpstan/phpstan": "~0.12.37",
+    "phpstan/phpstan": "~0.12.38",
     "phpstan/phpstan-deprecation-rules": "~0.12.5",
     "phpstan/phpstan-phpunit": "~0.12.16",
     "phpstan/phpstan-strict-rules": "~0.12.4",
diff --git a/composer.lock b/composer.lock
index 6ce6f97c..6b8020d6 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": "0ac898ce91ef41f501d9141c6c037b8b",
+    "content-hash": "882511cb376cb0033a12c7ce1be4c818",
     "packages": [
         {
             "name": "ergebnis/json-normalizer",
@@ -1543,16 +1543,16 @@
         },
         {
             "name": "phpstan/phpstan",
-            "version": "0.12.37",
+            "version": "0.12.38",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpstan/phpstan.git",
-                "reference": "5e16d83e6eb2dd784fbdaeaece5e2bca72e4f68a"
+                "reference": "ad606c5f1c641b465b739e79a3a0f1a5a57cf1b4"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/5e16d83e6eb2dd784fbdaeaece5e2bca72e4f68a",
-                "reference": "5e16d83e6eb2dd784fbdaeaece5e2bca72e4f68a",
+                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/ad606c5f1c641b465b739e79a3a0f1a5a57cf1b4",
+                "reference": "ad606c5f1c641b465b739e79a3a0f1a5a57cf1b4",
                 "shasum": ""
             },
             "require": {
@@ -1595,7 +1595,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2020-08-09T14:32:41+00:00"
+            "time": "2020-08-19T08:13:30+00:00"
         },
         {
             "name": "phpstan/phpstan-deprecation-rules",