diff --git a/composer.json b/composer.json
index 20bc30edbe..2cb863c980 100644
--- a/composer.json
+++ b/composer.json
@@ -92,6 +92,9 @@
 		}
 	},
 	"config": {
+		"platform": {
+			"php": "7.0"
+		},
 		"autoloader-suffix": "Friendica",
 		"optimize-autoloader": true,
 		"preferred-install": "dist",