diff --git a/.node-version b/.node-version
index 609800fb..88299155 100644
--- a/.node-version
+++ b/.node-version
@@ -1 +1 @@
-25.8.2
\ No newline at end of file
+25.9.0
\ No newline at end of file
diff --git a/scripts/generate-sdk.mts b/scripts/generate-sdk.mts
index 09531825..fae75500 100644
--- a/scripts/generate-sdk.mts
+++ b/scripts/generate-sdk.mts
@@ -15,7 +15,7 @@ import path from 'node:path'
 import process from 'node:process'
 
 import { parse } from '@babel/parser'
-import { default as traverse } from '@babel/traverse'
+import _traverse from '@babel/traverse'
 import * as t from '@babel/types'
 import MagicString from 'magic-string'
 
@@ -26,6 +26,9 @@ import { spawn } from '@socketsecurity/lib/spawn'
 import { getRootPath } from './utils/path-helpers.mts'
 import { runCommand } from './utils/run-command.mts'
 
+// CJS/ESM interop: @babel/traverse wraps the function under .default in ESM
+const traverse = ((_traverse as any).default ?? _traverse) as typeof _traverse
+
 const OPENAPI_URL = 'https://api.socket.dev/v0/openapi'
 
 const rootPath = getRootPath(import.meta.url)
diff --git a/test/unit/bundle-validation.test.mts b/test/unit/bundle-validation.test.mts
index bf885507..e7e5a5f9 100644
--- a/test/unit/bundle-validation.test.mts
+++ b/test/unit/bundle-validation.test.mts
@@ -8,9 +8,12 @@ import path from 'node:path'
 import { fileURLToPath } from 'node:url'
 
 import { parse } from '@babel/parser'
-import { default as traverse } from '@babel/traverse'
+import _traverse from '@babel/traverse'
 import { describe, expect, it } from 'vitest'
 
+// CJS/ESM interop: @babel/traverse wraps the function under .default in ESM
+const traverse = ((_traverse as any).default ?? _traverse) as typeof _traverse
+
 const __dirname = path.dirname(fileURLToPath(import.meta.url))
 const packagePath = path.resolve(__dirname, '../..')
 const distPath = path.join(packagePath, 'dist')