diff --git a/README.md b/README.md
index 4e68906..54a18b3 100644
--- a/README.md
+++ b/README.md
@@ -50,6 +50,7 @@ PHPUnit-Testlistener-VCR depends on:
   * PHP 7.1+
   * PHP 7.0+ (use <3.0)
   * [php-vcr/php-vcr](https://github.com/php-vcr/php-vcr)
+  * [PHPUnit](https://phpunit.de/#supported-versions) 7
 
 ## Run tests
 
diff --git a/composer.json b/composer.json
index 9490f69..3b80550 100644
--- a/composer.json
+++ b/composer.json
@@ -19,10 +19,8 @@
         }
     },
     "require": {
+        "php": "^7.1",
         "php-vcr/php-vcr": "^1.4",
-        "php": "^7.1"
-    },
-    "require-dev": {
         "phpunit/phpunit": "^7.0"
     }
 }