diff --git a/composer.json b/composer.json
index 732cd2a3..b52cee26 100644
--- a/composer.json
+++ b/composer.json
@@ -13,7 +13,7 @@
         }
     ],
     "require": {
-        "php": ">=7.0"
+        "php": "^7.0"
     },
     "license": "Unlicense"
 }