diff --git a/plugin.json b/plugin.json
index 3c41dac..73c8672 100644
--- a/plugin.json
+++ b/plugin.json
@@ -10,7 +10,7 @@
   ],
   "theme": false,
   "require": {
-    "piwik": "2.9.0",
-    "php": "5.4.0"
+    "piwik": ">=2.15.0,<3.0.0-b1",
+    "php": ">=5.6.0"
   }
 }