diff --git a/plugin.json b/plugin.json
index 5f8f4b3..33bfbbe 100644
--- a/plugin.json
+++ b/plugin.json
@@ -4,7 +4,7 @@
      "version": "0.0.1",
      "theme": true,
      "require": {
-          "piwik": ">=3.13.1-stable"
+          "piwik": ">=4.0.0-b1,<5.0.0-b1"
      },
      "stylesheet": "stylesheets/theme.less",
      "javascript": "javascripts/theme.js",