diff --git a/build.sh b/build.sh
index 43f39e2..fd79999 100755
--- a/build.sh
+++ b/build.sh
@@ -1,4 +1,12 @@
 #!/bin/bash
+
+function keep_alive() {
+  while true; do
+    date
+    sleep 60
+  done
+}
+
 if [[ "$SHOULD_BUILD" == "yes" ]]; then
   cp -rp src/* vscode/
   cd vscode
@@ -8,6 +16,7 @@ if [[ "$SHOULD_BUILD" == "yes" ]]; then
   ../update_settings.sh
 
   yarn
+  yarn postinstall
   mv product.json product.json.bak
 
   # set fields in product.json
@@ -53,20 +62,40 @@ if [[ "$SHOULD_BUILD" == "yes" ]]; then
     sed -i "s/code-oss/codium/" resources/linux/debian/postinst.template
   fi
 
+  yarn gulp compile-build
+  yarn gulp compile-extensions-build
+
+  # this task is very slow on mac, so using a keep alive to keep travis alive
+  keep_alive &
+  KA_PID=$!
+  yarn gulp minify-vscode
+  kill $KA_PID
+
+  yarn gulp minify-vscode-reh
+  yarn gulp minify-vscode-reh-web
+
   if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then
     npm install --global create-dmg
-    npm run gulp -- "vscode-darwin-min"
+    yarn gulp vscode-darwin-min-ci
+    yarn gulp vscode-reh-darwin-min-ci
+    yarn gulp vscode-reh-web-darwin-min-ci
   elif [[ "$CI_WINDOWS" == "True" ]]; then
     cp LICENSE.txt LICENSE.rtf # windows build expects rtf license
-    npm run gulp -- "vscode-win32-${BUILDARCH}-min"
-    npm run gulp -- "vscode-win32-${BUILDARCH}-inno-updater"
-    npm run gulp -- "vscode-win32-${BUILDARCH}-system-setup"
-    npm run gulp -- "vscode-win32-${BUILDARCH}-user-setup"
-    npm run gulp -- "vscode-win32-${BUILDARCH}-archive"
+    yarn gulp "vscode-win32-${BUILDARCH}-min-ci"
+    yarn gulp "vscode-reh-win32-${BUILDARCH}-min-ci"
+    yarn gulp "vscode-reh-web-win32-${BUILDARCH}-min-ci"
+    yarn gulp "vscode-win32-${BUILDARCH}-code-helper"
+    yarn gulp "vscode-win32-${BUILDARCH}-inno-updater"
+    yarn gulp "vscode-win32-${BUILDARCH}-archive"
+    yarn gulp "vscode-win32-${BUILDARCH}-system-setup"
+    yarn gulp "vscode-win32-${BUILDARCH}-user-setup"
   else # linux
-    npm run gulp -- "vscode-linux-${BUILDARCH}-min"
-    npm run gulp -- "vscode-linux-${BUILDARCH}-build-deb"
-    npm run gulp -- "vscode-linux-${BUILDARCH}-build-rpm"
+    yarn gulp vscode-linux-x64-min-ci
+    yarn gulp vscode-reh-linux-x64-min-ci
+    yarn gulp vscode-reh-web-linux-x64-min-ci
+
+    yarn gulp "vscode-linux-${BUILDARCH}-build-deb"
+    yarn gulp "vscode-linux-${BUILDARCH}-build-rpm"
     . ../create_appimage.sh
   fi