diff --git a/.appveyor.yml b/.appveyor.yml
index 8fabb1067..1f08d68ee 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -4,9 +4,10 @@
 
 environment:
   matrix:
+    - nodejs_version: '11'
     - nodejs_version: '10'
-    - nodejs_version: '9'
     - nodejs_version: '8'
+    - nodejs_version: '6'
 
 matrix:
   fast_finish: true
diff --git a/.travis.yml b/.travis.yml
index d356c7d17..e5d22aecd 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,9 +4,10 @@
 
 language: node_js
 node_js:
+  - 'node'
   - '10'
-  - '9'
   - '8'
+  - '6'
 
 before_install: yarn global add greenkeeper-lockfile@1
 install: yarn install