diff --git a/composer.json b/composer.json
index 93bd0d6..45f0b17 100644
--- a/composer.json
+++ b/composer.json
@@ -21,7 +21,7 @@
 		]
 	},
 	"require": {
-		"php": ">=5.6"
+		"php": ">=7.0"
 	},
 	"require-dev": {
 		"mikey179/vfsstream": "^1.6",