diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 3c845a8d801fc..00531cba7ffcd 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -23,7 +23,7 @@ jobs:
       matrix:
         # Include all major maintenance + active LTS + current Node.js versions.
         # https://github.com/nodejs/Release#release-schedule
-        node: [14, 16]
+        node: [14, 16, 18]
     steps:
       - name: Checkout
         uses: actions/checkout@v3
diff --git a/src/node/NodeWebSocketTransport.ts b/src/node/NodeWebSocketTransport.ts
index 78a60781e6a8b..9854acd98daed 100644
--- a/src/node/NodeWebSocketTransport.ts
+++ b/src/node/NodeWebSocketTransport.ts
@@ -20,7 +20,7 @@ import { packageVersion } from '../generated/version.js';
 export class NodeWebSocketTransport implements ConnectionTransport {
   static create(url: string): Promise<NodeWebSocketTransport> {
     return new Promise((resolve, reject) => {
-      const ws = new NodeWebSocket(url, [], {
+      const ws = new NodeWebSocket(url.replace('localhost', '127.0.0.1'), [], {
         followRedirects: true,
         perMessageDeflate: false,
         maxPayload: 256 * 1024 * 1024, // 256Mb