diff --git a/provision/npm-login.js b/provision/npm-login.js
index 8dfb396..acf8a1c 100644
--- a/provision/npm-login.js
+++ b/provision/npm-login.js
@@ -2,7 +2,7 @@ var RegistryClient = require('npm-registry-client');
 
 var client = new RegistryClient({});
 
-// see https://github.com/npm/npm-registry-client/blob/v8.5.0/lib/adduser.js
+// see https://github.com/npm/npm-registry-client/blob/v8.6.0/lib/adduser.js
 client.adduser(
   process.env.NPM_REGISTRY,
   {
diff --git a/provision/use-npm-repository.sh b/provision/use-npm-repository.sh
index 4ea0aa6..261f5ef 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_18.x | bash
+curl -sL --fail --show-error https://deb.nodesource.com/setup_22.x | bash
 apt-get install -y nodejs
 node --version
 npm --version
diff --git a/provision/windows/use-npm-repository.ps1 b/provision/windows/use-npm-repository.ps1
index cb47401..af4c105 100644
--- a/provision/windows/use-npm-repository.ps1
+++ b/provision/windows/use-npm-repository.ps1
@@ -29,7 +29,8 @@ Set-Location tmp/use-npm-repository
 # see https://docs.npmjs.com/cli/adduser
 
 # install node LTS.
-choco install -y nodejs-lts
+# see https://community.chocolatey.org/packages/nodejs-lts
+choco install -y nodejs-lts --version 22.16.0
 Import-Module C:\ProgramData\chocolatey\helpers\chocolateyInstaller.psm1
 Update-SessionEnvironment
 node --version