diff --git a/package.json b/package.json
index 02854bf91..26d49aba2 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "iotagent-node-lib",
   "description": "IoT Agent library to interface with NGSI Context Broker",
-  "version": "2.3.0-next",
+  "version": "2.4.0",
   "homepage": "https://github.com/telefonicaid/iotagent-node-lib",
   "keywords": [
     "fiware",
@@ -36,7 +36,7 @@
     "async": "^0.9.0",
     "body-parser": "^1.11.0",
     "command-shell-lib": "1.0.0",
-    "jison": "*",
+    "jison": "0.4.17",
     "express": "^4.11.2",
     "logops": "1.0.0",
     "mongoose": "^4.1.5",