CI add Node.js 10
diff --git a/.travis.yml b/.travis.yml
index 9ee45d0..c42cb96 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -7,6 +7,7 @@
   - "4"
   - "6"
   - "8"
+  - "10"
 
 install:
   - cd ..
diff --git a/appveyor.yml b/appveyor.yml
index 1cfae87..ba49261 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -5,6 +5,7 @@
   - nodejs_version: "4"
   - nodejs_version: "6"
   - nodejs_version: "8"
+  - nodejs_version: "10"
 
 install:
   - ps: Install-Product node $env:nodejs_version