diff --git a/package.json b/package.json
index 6e039ab..44b65b6 100644
--- a/package.json
+++ b/package.json
@@ -13,7 +13,7 @@
     "documentation",
     "markdown"
   ],
-  "version": "4.0.0-beta",
+  "version": "4.0.0",
   "homepage": "https://adr.github.io/madr/",
   "author": "Oliver Kopp (http://github.com/koppor/)",
   "contributors": [