diff --git a/composer.json b/composer.json
index a73b56e..c41670a 100644
--- a/composer.json
+++ b/composer.json
@@ -25,7 +25,7 @@
     },
     "require": {
         "php": "^7.1",
-        "phpspec/phpspec": "^4.2",
+        "phpspec/phpspec": "^4.2||^5.0",
         "phpunit/php-code-coverage": "^5.0||^6.0"
     },
     "require-dev": {