diff --git a/composer.json b/composer.json
index 4e9929b7..a06e79db 100644
--- a/composer.json
+++ b/composer.json
@@ -13,7 +13,7 @@
         }
     ],
     "require": {
-        "php": ">=5.3.0",
+        "php": ">=7.0.0",
         "psr/log": "~1.0"
     },
     "require-dev": {
@@ -54,7 +54,7 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-master": "1.18.x-dev"
+            "dev-master": "2.0.x-dev"
         }
     },
     "scripts": {