diff --git a/.gitignore b/.gitignore
index 540213e6..8dfe52ca 100644
--- a/.gitignore
+++ b/.gitignore
@@ -110,4 +110,6 @@ docs/v2
 test/*/package-lock.json
 test/integration/*/package-lock.json
 
-.cursor/
\ No newline at end of file
+.cursor/
+
+deno.lock
\ No newline at end of file
diff --git a/package-lock.json b/package-lock.json
index 7edcf9ac..3fc7b33e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -13,7 +13,7 @@
         "@supabase/functions-js": "2.4.5",
         "@supabase/node-fetch": "2.6.15",
         "@supabase/postgrest-js": "1.19.4",
-        "@supabase/realtime-js": "2.15.0",
+        "@supabase/realtime-js": "2.15.1-next.1",
         "@supabase/storage-js": "^2.10.4"
       },
       "devDependencies": {
@@ -1126,9 +1126,9 @@
       }
     },
     "node_modules/@supabase/realtime-js": {
-      "version": "2.15.0",
-      "resolved": "https://registry.npmjs.org/@supabase/realtime-js/-/realtime-js-2.15.0.tgz",
-      "integrity": "sha512-SEIWApsxyoAe68WU2/5PCCuBwa11LL4Bb8K3r2FHCt3ROpaTthmDiWEhnLMGayP05N4QeYrMk0kyTZOwid/Hjw==",
+      "version": "2.15.1-next.1",
+      "resolved": "https://registry.npmjs.org/@supabase/realtime-js/-/realtime-js-2.15.1-next.1.tgz",
+      "integrity": "sha512-88WLld7BFsit/3+CDmVBXnPer1OtqiVmNg8OpguL0Vvw492BIp6MdiRXWLbHpfGKUjwxQykDfnY6gs0/NPcgKw==",
       "license": "MIT",
       "dependencies": {
         "@supabase/node-fetch": "^2.6.13",
diff --git a/package.json b/package.json
index 8dab6ac8..9318e5cc 100644
--- a/package.json
+++ b/package.json
@@ -54,7 +54,7 @@
     "@supabase/functions-js": "2.4.5",
     "@supabase/node-fetch": "2.6.15",
     "@supabase/postgrest-js": "1.19.4",
-    "@supabase/realtime-js": "2.15.0",
+    "@supabase/realtime-js": "2.15.1-next.1",
     "@supabase/storage-js": "^2.10.4"
   },
   "devDependencies": {
diff --git a/test/integration.test.ts b/test/integration.test.ts
index 227b3890..55478ddc 100644
--- a/test/integration.test.ts
+++ b/test/integration.test.ts
@@ -7,8 +7,22 @@ const SUPABASE_URL = 'http://127.0.0.1:54321'
 const ANON_KEY =
   'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpc3MiOiJzdXBhYmFzZS1kZW1vIiwicm9sZSI6ImFub24iLCJleHAiOjE5ODM4MTI5OTZ9.CRXP1A7WOeoJeXxjNni43kdQwgnWNReilDMblYTn_I0'
 
+// For Node.js < 22, we need to provide a WebSocket implementation
+// Node.js 22+ has native WebSocket support
+let wsTransport: any = undefined
+if (typeof WebSocket === 'undefined' && typeof process !== 'undefined' && process.versions?.node) {
+  try {
+    wsTransport = require('ws')
+  } catch (error) {
+    console.warn('WebSocket not available, Realtime features may not work')
+  }
+}
+
 const supabase = createClient(SUPABASE_URL, ANON_KEY, {
-  realtime: { heartbeatIntervalMs: 500 },
+  realtime: {
+    heartbeatIntervalMs: 500,
+    ...(wsTransport && { transport: wsTransport }),
+  },
 })
 
 describe('Supabase Integration Tests', () => {
@@ -315,7 +329,10 @@ describe('Storage API', () => {
   // use service_role key for bypass RLS
   const SERVICE_ROLE_KEY = process.env.SUPABASE_SERVICE_ROLE_KEY || 'use-service-role-key'
   const supabaseWithServiceRole = createClient(SUPABASE_URL, SERVICE_ROLE_KEY, {
-    realtime: { heartbeatIntervalMs: 500 },
+    realtime: {
+      heartbeatIntervalMs: 500,
+      ...(wsTransport && { transport: wsTransport }),
+    },
   })
 
   test('upload and list file in bucket', async () => {