diff --git a/composer.json b/composer.json
index 0678542..ad5c565 100644
--- a/composer.json
+++ b/composer.json
@@ -3,7 +3,7 @@
     "description": "SilverStripe module to allow you to masquerade as other users",
     "type": "silverstripe-module",
     "require": {
-        "php": ">=5.3.3,<7",
+        "php": ">=5.3.3",
         "silverstripe/framework": "^3.1.0"
     },
     "require-dev": {