diff --git a/CHANGES_NEXT_RELEASE b/CHANGES_NEXT_RELEASE
index 8dda2e6e8..e69de29bb 100644
--- a/CHANGES_NEXT_RELEASE
+++ b/CHANGES_NEXT_RELEASE
@@ -1,18 +0,0 @@
-- Add: payloadType to device and groups model to support NGSI-v2 and NGSI-LD formats in southbound measures (iotagent-json#778)
-- Large refactor of IOTA Lib code to make it simpler
-- Remove: time compression support
-- Remove: autocast (including env var IOTA_AUTOCAST) (#1498)
-- Fix: use but not store timestamp and explicitAttrs from group with autoprovisioned devices (#1504, partially)
-- Fix: MongoDB connection authentication (user and password were not actually used) (#1510)
-- Fix: add static attributes when use explicitAttrs (#1506)
-- Remove: single configuration mode (along with IOTA_SINGLE_MODE env var) (#1469)
-- Remove: extractVariables from jexl plugin (no needed anymore since the removal of bidireational plugin)
-- Fix: ensure service and subservice in context of error handlers using req headers
-- Fix: remove attribute of measures with name `id` or `type` to avoid collisions (#1485)
-- Fix: ensure entity id and type are string (#1476)
-- Fix: update ctxt allow nested expressions (#1493)
-- Fix: change log level contextAvailable expression exception (from WARN to INFO)
-- Fix: null values arithmetics in JEXL expressions (#1440)
-- Fix: remove mongo `DeprecationWarning: current Server Discovery and Monitoring engine is deprecated` by setting `useUnifiedTopology = true`
-- Upgrade mongodb dev dep from 4.17.0 to 4.17.1
-- Fix: mongodb.authSource / IOTA_MONGO_AUTH_SOURCE was not correctly supported (#1526)
diff --git a/package.json b/package.json
index b8650633f..48d38ddc6 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
   "name": "iotagent-node-lib",
   "license": "AGPL-3.0-only",
   "description": "IoT Agent library to interface with NGSI Context Broker",
-  "version": "3.4.0-next",
+  "version": "4.0.0",
   "homepage": "https://github.com/telefonicaid/iotagent-node-lib",
   "keywords": [
     "fiware",