diff --git a/.travis.yml b/.travis.yml
index ecc324c7bd31e5c601f3f745f35aae4a58bdb734..a04880dd308fa259936d9de8dcd1f561aa807532 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -34,7 +34,6 @@ before_install:
   - nvm install 7.9.0
   - nvm use 7.9.0
   - npm config set python `which python`
-  - npm install -g gulp
   - if [ $TRAVIS_OS_NAME == "linux" ]; then
       export CXX="g++-4.9" CC="gcc-4.9" DISPLAY=:99.0;
       sh -e /etc/init.d/xvfb start;
@@ -45,10 +44,10 @@ install:
   - ./scripts/npm.sh install
 
 script:
-  - gulp hygiene --silent
-  - gulp electron --silent
-  - gulp compile --silent --max_old_space_size=4096
-  - gulp optimize-vscode --silent --max_old_space_size=4096
+  - node_modules/.bin/gulp hygiene --silent
+  - node_modules/.bin/gulp electron --silent
+  - node_modules/.bin/gulp compile --silent --max_old_space_size=4096
+  - node_modules/.bin/gulp optimize-vscode --silent --max_old_space_size=4096
   - if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then ./scripts/test.sh --coverage --reporter dot; else ./scripts/test.sh --reporter dot; fi
   - ./scripts/test-integration.sh
 
diff --git a/appveyor.yml b/appveyor.yml
index 1f3f9944f059375344b3bb0ac76b8d0440ff1cc3..5c5c23c776a7ebeb7e3dea19527d6d43fac35e31 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -8,11 +8,10 @@ cache:
 install:
   - ps: Install-Product node 7.9.0 x64
   - npm install -g npm@4 --silent
-  - npm install -g gulp mocha --silent
 
 build_script:
   - .\scripts\npm.bat install
-  - gulp electron
+  - .\node_modules\.bin\gulp electron
   - npm run compile
 
 test_script: