diff --git a/.travis.yml b/.travis.yml
index 22918d364..67643e74c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,7 +1,8 @@
 language: node_js
 node_js:
+  - 4
   - 6
-  - 7
+  - 8
 
 os:
   - linux
diff --git a/appveyor.yml b/appveyor.yml
index 57adb8874..0e86dc9e7 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -1,8 +1,9 @@
 # Test against this version of Node.js
 environment:
   matrix:
-  - nodejs_version: "7"
+  - nodejs_version: "8"
   - nodejs_version: "6"
+  - nodejs_version: "4"
 
 # platform:
 #   - x86