diff --git a/.travis.yml b/.travis.yml
index 70719a9..858724a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -7,7 +7,7 @@ cache:
 notifications:
   email: false
 node_js:
-  - '7'
+  - '8'
 after_success:
   - npm run deploy
 branches:
diff --git a/Dockerfile b/Dockerfile
index cafc551..73b1f19 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM mhart/alpine-node:7
+FROM mhart/alpine-node:8
 
 ARG PKG_VERSION
 ADD greenkeeper-changes-${PKG_VERSION}.tgz ./
diff --git a/package.json b/package.json
index 8d5a16a..a77ec9a 100644
--- a/package.json
+++ b/package.json
@@ -21,7 +21,7 @@
     "tap": "^12.0.0"
   },
   "engines": {
-    "node": "7"
+    "node": "8"
   },
   "license": "Apache-2.0",
   "publishConfig": {