diff --git a/.travis.yml b/.travis.yml
index 37fb594..10e2f3c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,9 +4,9 @@ os:
   - linux
   - osx
 node_js:
+  - "10"
   - "8"
   - "6"
-  - "4"
 
 script: npm run travis
 
diff --git a/appveyor.yml b/appveyor.yml
index 1f64d1d..8cf76ac 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -7,9 +7,9 @@ init:
 # what combinations to test
 environment:
   matrix:
+    - nodejs_version: 10
     - nodejs_version: 8
     - nodejs_version: 6
-    - nodejs_version: 4
 
 install:
   - ps: Install-Product node $env:nodejs_version x64