diff --git a/.travis.yml b/.travis.yml
index a542976b975..032fd3a91d0 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -27,8 +27,8 @@ before_install:
   - git submodule update --init --recursive
   - git clone https://github.com/creationix/nvm.git ./.nvm
   - source ./.nvm/nvm.sh
-  - nvm install 5.10
-  - nvm use 5.10
+  - nvm install 6.6.0
+  - nvm use 6.6.0
   - npm config set python `which python`
   - npm install -g gulp
   - if [ $TRAVIS_OS_NAME == "linux" ]; then
diff --git a/appveyor.yml b/appveyor.yml
index 3632e51d974..9209bb20791 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -3,7 +3,7 @@ environment:
   VSCODE_BUILD_VERBOSE: true
 
 install:
-  - ps: Install-Product node 6.5.0 x64
+  - ps: Install-Product node 6.6.0 x64
   - npm install -g npm
   - npm install -g gulp mocha