diff --git a/composer.json b/composer.json
index 315af81..25278e5 100644
--- a/composer.json
+++ b/composer.json
@@ -8,7 +8,7 @@
         }
     },
     "require": {
-        "php": "~5.5.0|~5.6.0|~7.0.0"
+        "php": "~5.5.0|~5.6.0|~7.0.0|~7.1.0"
     },
     "autoload": {
         "psr-4": {