diff --git a/provision/use-npm-repository.sh b/provision/use-npm-repository.sh
index 14fd18f..4ea0aa6 100644
--- a/provision/use-npm-repository.sh
+++ b/provision/use-npm-repository.sh
@@ -13,7 +13,7 @@ mkdir -p tmp/use-npm-repository && cd tmp/use-npm-repository
 
 # install node LTS.
 # see https://github.com/nodesource/distributions#debinstall
-curl -sL --fail --show-error https://deb.nodesource.com/setup_16.x | bash
+curl -sL --fail --show-error https://deb.nodesource.com/setup_18.x | bash
 apt-get install -y nodejs
 node --version
 npm --version