diff --git a/composer.json b/composer.json
index a033bd70..6e28dec9 100644
--- a/composer.json
+++ b/composer.json
@@ -25,7 +25,7 @@
     }
   ],
   "require": {
-    "php": "^7.0",
+    "php": ">7.0",
     "psr/cache": "~1.0"
   },
   "require-dev": {