require Node 10+ 💥

.travis.yml

@@ -3,13 +3,13 @@ language: node_js
 node_js:
   - 'stable'
   - 'lts/*'
-  - '8'
+  - '10'
 cache: npm
 script: npm test
 jobs:
   include:
     - name: e2e-test
       script: npm run e2e-test
-      node_js: '8'
+      node_js: '10'
   allow_failures:
     - name: e2e-test

docs/migrating-to-5.md

@@ -1,5 +1,9 @@
 # Migrating to `hafas-client@5`
 
+## If you use Node `8` ("Carbon")…
+
+…migrate to Node `10` ("Dubnium"), sorry. [Node `8` is out of maintenance now](https://nodejs.org/en/about/releases/).
+
 ## new fields for departure/arrival time & delays
 
 An arrival/departure now looks like this:

package.json

@@ -30,7 +30,7 @@
 		"http"
 	],
 	"engines": {
-		"node": ">=8.3.0"
+		"node": ">=10"
 	},
 	"dependencies": {
 		"@derhuerst/br2nl": "^1.0.0",