diff --git a/.netlify/build-deploy-preview.sh b/.netlify/build-deploy-preview.sh
index 7cc5c7e6f..e5a2a67b4 100644
--- a/.netlify/build-deploy-preview.sh
+++ b/.netlify/build-deploy-preview.sh
@@ -11,7 +11,10 @@ echo '~~~~~~~~~~ root ~~~~~~~~~~~~'
 npm root -g
 
 # Make sure `node` can access globally installed binaries
-export PATH=$PATH:/opt/buildhome/.nvm/versions/node/v10.16.0/lib/node_modules
+export PATH="$PATH:/opt/buildhome/.nvm/versions/node/v10.16.0/lib/node_modules"
+source ~/.profile
+source ~/.bashrc
+
 
 # Install GitBook CLI
 echo 'Installing Gitbook CLI'
@@ -29,8 +32,12 @@ for D in *; do
 
 			# Clear previous output, generate new
 			rm -rf _book
+			echo "~~~ try 1"
 			node gitbook install
 			node gitbook gitbook build
+			echo "~~~ try 2"
+			node /opt/buildhome/.nvm/versions/node/v10.16.0/lib/node_modules/gitbook-cli/gitbook install
+			node /opt/buildhome/.nvm/versions/node/v10.16.0/lib/node_modules/gitbook-cli/gitbook gitbook build
 			# /usr/lib/node_modules/gitbook-cli/
 
 			cd ..
@@ -38,6 +45,10 @@ for D in *; do
 		fi
 done
 
+cd /opt/buildhome/.nvm/versions/node/v10.16.0/lib/node_modules/gitbook-cli/
+ls
+cd "$(dirname "$0")"
+
 # Move CNAME File into `latest`
 cp CNAME ./latest/_book/CNAME
 
diff --git a/package.json b/package.json
index b949cda03..5c96bac72 100644
--- a/package.json
+++ b/package.json
@@ -5,6 +5,11 @@
     "platform/*",
     "extensions/*"
   ],
+  "engines": {
+    "node": "^10.0.0",
+    "npm": "^6.0.0",
+    "yarn": "^1.17.0"
+  },
   "scripts": {
     "start": "lerna run lerna:start --parallel",
     "build": "lerna run lerna:build --parallel"