diff --git a/package.json b/package.json
index ac734d0..f2b6c8e 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "saml2-js",
-  "version": "3.1.0",
+  "version": "4.0.0",
   "description": "SAML 2.0 node helpers",
   "author": "Clever",
   "license": "Apache-2.0",