diff --git a/.travis.yml b/.travis.yml
index 9cc22b70..2cf1e4a1 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,7 +1,6 @@
 sudo: false
 language: node_js
 node_js:
-  - "6"
   - "8"
   - "10"
 
diff --git a/package.json b/package.json
index a2446d55..1da5297b 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "loopback-datasource-juggler",
-  "version": "3.24.0",
+  "version": "4.0.0-alpha.1",
   "publishConfig": {
     "export-tests": true
   },
@@ -15,7 +15,7 @@
     "ORM"
   ],
   "engines": {
-    "node": ">=6"
+    "node": ">=8"
   },
   "repository": {
     "type": "git",