diff --git a/composer.json b/composer.json
index 913e810..ff8a4f4 100644
--- a/composer.json
+++ b/composer.json
@@ -1,5 +1,6 @@
 {
     "require": {
+        "php": ">=7.1",
         "ivkos/pushbullet": "^3.1",
         "symfony/console": "^3.2",
         "symfony/event-dispatcher": "^3.2",