diff --git a/composer.json b/composer.json
index bfc01f85..4fb4ccc3 100644
--- a/composer.json
+++ b/composer.json
@@ -28,7 +28,7 @@
     "composer/composer": "^1.10.13 || ^2.0.0",
     "composer/package-versions-deprecated": "^1.11.99",
     "ergebnis/phpstan-rules": "~0.15.2",
-    "ergebnis/test-util": "^1.2.0",
+    "ergebnis/test-util": "^1.3.0",
     "jangregor/phpstan-prophecy": "~0.8.0",
     "phpstan/extension-installer": "^1.0.5",
     "phpstan/phpstan": "~0.12.48",
diff --git a/composer.lock b/composer.lock
index 68475e2d..f84e91fb 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": "2224336e5a34e6e6226736a4066052a5",
+    "content-hash": "5b6c474fae32ff8d385a67a598a16394",
     "packages": [
         {
             "name": "ergebnis/json-normalizer",
@@ -888,16 +888,16 @@
         },
         {
             "name": "ergebnis/test-util",
-            "version": "1.2.0",
+            "version": "1.3.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/ergebnis/test-util.git",
-                "reference": "5b0f606becadf7158ca86a123c9d7de795efaff8"
+                "reference": "6dd7ff94848c5f8f98321192a9405fe7fe8251f9"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/ergebnis/test-util/zipball/5b0f606becadf7158ca86a123c9d7de795efaff8",
-                "reference": "5b0f606becadf7158ca86a123c9d7de795efaff8",
+                "url": "https://api.github.com/repos/ergebnis/test-util/zipball/6dd7ff94848c5f8f98321192a9405fe7fe8251f9",
+                "reference": "6dd7ff94848c5f8f98321192a9405fe7fe8251f9",
                 "shasum": ""
             },
             "require": {
@@ -950,7 +950,7 @@
                     "type": "github"
                 }
             ],
-            "time": "2020-10-04T09:36:32+00:00"
+            "time": "2020-10-05T12:15:43+00:00"
         },
         {
             "name": "fzaninotto/faker",