diff --git a/build/start-container.sh b/build/start-container.sh
index e1fa2e3..31ccfce 100644
--- a/build/start-container.sh
+++ b/build/start-container.sh
@@ -23,7 +23,7 @@ fi
 
 if [[ "$BOOT_NPM_INSTALL" = true ]]; then
     echo "npm install"
-    npm install
+    npm install --cache /tmp/npm
 fi
 
 if [ ! -f /var/www/html/artisan ]; then