diff --git a/composer.json b/composer.json
index 20b2e74..2a5f683 100644
--- a/composer.json
+++ b/composer.json
@@ -28,6 +28,9 @@
 			"hollodotme\\FastCGI\\Tests\\": "tests/"
 		}
 	},
+	"require": {
+		"php": ">=7.0"
+	},
 	"require-dev": {
 		"tm/tooly-composer-script": "^1.0"
 	},