diff --git a/.travis.yml b/.travis.yml
index 992a71dc..e5a9f01c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,6 +1,6 @@
 language: node_js
 node_js:
-  - 8.3.0
+  - 8.4.0
   - 7.10.0
 sudo: false
 branches:
diff --git a/package.json b/package.json
index 6663fec1..a97a051c 100644
--- a/package.json
+++ b/package.json
@@ -19,7 +19,7 @@
     "url": "git+https://github.com/arlac77/loglevel-mixin.git"
   },
   "engines": {
-    "node": ">=8.3.0"
+    "node": ">=8.4.0"
   },
   "devDependencies": {
     "chai": "^4.1.1",