diff --git a/lib/wretch-proxy.js b/lib/wretch-proxy.js
index 2c1071b..9ce5be2 100644
--- a/lib/wretch-proxy.js
+++ b/lib/wretch-proxy.js
@@ -1,9 +1,9 @@
 /**
  * wretch extension for proxy header support.
  *
- * Registers a custom `fetch` (node-fetch + ProxyHeadersAgent) as wretch's fetch polyfill.
- * wretch stores polyfills on a module singleton; avoid mixing different proxy configs
- * in the same process without coordinating polyfills.
+ * Wraps the wretch factory so each request chain uses a custom `fetch`
+ * (node-fetch + ProxyHeadersAgent). wretch v3 uses per-chain `.fetchPolyfill()`
+ * instead of the old module-level `.polyfills()`.
  *
  * @example
  * const wretch = await createProxyWretch({ proxy: 'http://proxy:8080' });
@@ -20,7 +20,7 @@ import { createProxyFetch } from './node-fetch-proxy.js';
  * @param {string} options.proxy - Proxy URL
  * @param {Object} [options.proxyHeaders] - Headers to send on CONNECT
  * @param {Function} [options.onProxyConnect] - CONNECT callback
- * @returns {Promise<import('wretch').Wretch>} Default wretch export after polyfills are set
+ * @returns {Promise<typeof import('wretch').default>} Wretch factory wired to proxy-header fetch
  */
 export async function createProxyWretch(options) {
     const { proxy, proxyHeaders = {}, onProxyConnect } = options;
@@ -29,15 +29,20 @@ export async function createProxyWretch(options) {
         throw new Error('proxy option is required');
     }
 
-    let wretch;
+    let rawWretch;
     try {
-        wretch = (await import('wretch')).default;
+        rawWretch = (await import('wretch')).default;
     } catch {
         throw new Error('wretch is required. Install it with: npm install wretch');
     }
 
-    const fetch = createProxyFetch({ proxy, proxyHeaders, onProxyConnect });
-    wretch.polyfills({ fetch });
+    const fetchImpl = createProxyFetch({ proxy, proxyHeaders, onProxyConnect });
 
-    return wretch;
+    function proxyWretch(url, opts) {
+        return rawWretch(url, opts).fetchPolyfill(fetchImpl);
+    }
+    proxyWretch.default = proxyWretch;
+    proxyWretch.WretchError = rawWretch.WretchError;
+
+    return proxyWretch;
 }
diff --git a/package-lock.json b/package-lock.json
index bceca19..4e6377d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -21,7 +21,7 @@
         "typed-rest-client": "^2.2.0",
         "typescript": "^6.0.2",
         "undici": "^8.0.2",
-        "wretch": "^2.11.0"
+        "wretch": "^3.0.7"
       },
       "engines": {
         "node": ">=18.0.0"
@@ -34,13 +34,13 @@
         "axios": "^1.0.0",
         "got": "^12.0.0 || ^13.0.0 || ^14.0.0",
         "ky": "^1.0.0",
-        "make-fetch-happen": "^15.0.5",
+        "make-fetch-happen": "^14.0.0",
         "needle": "^3.0.0",
         "node-fetch": "^3.0.0",
         "superagent": "^8.0.0 || ^9.0.0 || ^10.0.0",
         "typed-rest-client": "^2.0.0",
-        "undici": "^8.0.2",
-        "wretch": "^2.0.0"
+        "undici": "^5.0.0 || ^6.0.0 || ^7.0.0",
+        "wretch": "^2.0.0 || ^3.0.0"
       },
       "peerDependenciesMeta": {
         "axios": {
@@ -2922,13 +2922,13 @@
       "dev": true
     },
     "node_modules/wretch": {
-      "version": "2.11.1",
-      "resolved": "https://registry.npmjs.org/wretch/-/wretch-2.11.1.tgz",
-      "integrity": "sha512-rJejp30zE8Igs4Mvo4pxXaiOKdSIGYLxyVaY+jZTlAMfQyi/hZsDwMRa9R09N0iS9Q8cLvplKfHwwyBv6XRWsg==",
+      "version": "3.0.7",
+      "resolved": "https://registry.npmjs.org/wretch/-/wretch-3.0.7.tgz",
+      "integrity": "sha512-1zvhHLcwjGx5OMGHcdkuVmHWd/8NQ0gS4oV6+Er1YTnav4QTMTDl7ZI5QklELNVsX1BDNQk2kUrhoUSILomelg==",
       "dev": true,
       "license": "MIT",
       "engines": {
-        "node": ">=14"
+        "node": ">=22"
       }
     },
     "node_modules/yallist": {
diff --git a/package.json b/package.json
index 572fd03..c9a9a31 100644
--- a/package.json
+++ b/package.json
@@ -116,7 +116,7 @@
     "superagent": "^8.0.0 || ^9.0.0 || ^10.0.0",
     "undici": "^5.0.0 || ^6.0.0 || ^7.0.0",
     "ky": "^1.0.0",
-    "wretch": "^2.0.0",
+    "wretch": "^2.0.0 || ^3.0.0",
     "make-fetch-happen": "^14.0.0",
     "needle": "^3.0.0",
     "typed-rest-client": "^2.0.0"
@@ -163,7 +163,7 @@
     "typescript": "^6.0.2",
     "undici": "^8.0.2",
     "ky": "^1.7.0",
-    "wretch": "^2.11.0",
+    "wretch": "^3.0.7",
     "make-fetch-happen": "^15.0.5",
     "needle": "^3.3.0",
     "typed-rest-client": "^2.2.0"
diff --git a/tsconfig.json b/tsconfig.json
index b6545ef..3eae74c 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -1,5 +1,6 @@
 {
   "compilerOptions": {
+    "ignoreDeprecations": "6.0",
     "target": "ES2020",
     "module": "ESNext",
     "moduleResolution": "Bundler",
diff --git a/types/wretch.d.ts b/types/wretch.d.ts
index 37b2991..24dd96f 100644
--- a/types/wretch.d.ts
+++ b/types/wretch.d.ts
@@ -1,9 +1,9 @@
-import type { Wretch } from 'wretch';
-
 export interface CreateProxyWretchOptions {
   proxy: string;
   proxyHeaders?: Record<string, string>;
   onProxyConnect?: (headers: Map<string, string>) => void;
 }
 
-export function createProxyWretch(options: CreateProxyWretchOptions): Promise<Wretch>;
+export function createProxyWretch(
+  options: CreateProxyWretchOptions
+): Promise<typeof import('wretch').default>;