diff --git a/.travis.yml b/.travis.yml
index 7e976d1d..e4ae75a2 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,7 +1,6 @@
 sudo: false
 language: node_js
 node_js:
-  - "9"
+  - "12"
+  - "10"
   - "8"
-  - "6"
-  - "4"
diff --git a/package.json b/package.json
index f6022829..69e4738c 100644
--- a/package.json
+++ b/package.json
@@ -20,7 +20,7 @@
   "author": "SAP SE",
   "license": "Apache-2.0",
   "engines": {
-    "node": ">= 4"
+    "node": ">= 8.5"
   },
   "dependencies": {
     "async": "^2.6.3",