diff --git a/README.md b/README.md
index 66bfbc3fb..8f72d2349 100644
--- a/README.md
+++ b/README.md
@@ -293,8 +293,8 @@ same major line. Should you need to upgrade to a new major, use an explicit
   environment variables are required and as plain text. If you want to send an
   empty password, explicitly set `COREPACK_NPM_PASSWORD` to an empty string.
 
-- `HTTP_PROXY`, `HTTPS_PROXY`, and `NO_PROXY` are supported through
-  [`node-proxy-agent`](https://github.com/TooTallNate/node-proxy-agent).
+- `HTTP_PROXY`, `HTTPS_PROXY`, and `NO_PROXY` are supported through Undici's
+  [`EnvHttpProxyAgent`](https://undici.nodejs.org/#/docs/api/EnvHttpProxyAgent.md).
 
 - `COREPACK_INTEGRITY_KEYS` can be set to an empty string or `0` to
   instruct Corepack to skip integrity checks, or to a JSON string containing
diff --git a/package.json b/package.json
index 3bf2c3a9e..742623571 100644
--- a/package.json
+++ b/package.json
@@ -20,7 +20,6 @@
   "devDependencies": {
     "@types/debug": "^4.1.5",
     "@types/node": "^20.4.6",
-    "@types/proxy-from-env": "^1",
     "@types/semver": "^7.1.0",
     "@types/which": "^3.0.0",
     "@yarnpkg/eslint-config": "^2.0.0",
@@ -31,7 +30,6 @@
     "debug": "^4.1.1",
     "esbuild": "^0.24.2",
     "eslint": "^8.57.0",
-    "proxy-from-env": "^1.1.0",
     "semver": "^7.6.3",
     "supports-color": "^10.0.0",
     "tar": "^7.4.0",
diff --git a/sources/httpUtils.ts b/sources/httpUtils.ts
index 6c2dc9040..5e64a4121 100644
--- a/sources/httpUtils.ts
+++ b/sources/httpUtils.ts
@@ -90,30 +90,13 @@ export async function fetchUrlStream(input: string | URL, init?: RequestInit) {
   return stream;
 }
 
-let ProxyAgent: typeof import('undici').ProxyAgent;
+let ProxyAgent: typeof import('undici').EnvHttpProxyAgent;
 
 async function getProxyAgent(input: string | URL) {
-  const {getProxyForUrl} = await import(`proxy-from-env`);
-
-  // @ts-expect-error - The internal implementation is compatible with a WHATWG URL instance
-  const proxy = getProxyForUrl(input);
-
-  if (!proxy) return undefined;
-
   if (ProxyAgent == null) {
-    // Doing a deep import here since undici isn't tree-shakeable
-    const [api, Dispatcher, _ProxyAgent] = await Promise.all([
-      // @ts-expect-error internal module is untyped
-      import(`undici/lib/api/index.js`),
-      // @ts-expect-error internal module is untyped
-      import(`undici/lib/dispatcher/dispatcher.js`),
-      // @ts-expect-error internal module is untyped
-      import(`undici/lib/dispatcher/proxy-agent.js`),
-    ]);
-
-    Object.assign(Dispatcher.default.prototype, api.default);
-    ProxyAgent = _ProxyAgent.default;
+    // @ts-expect-error internal module is untyped
+    const {default: EnvHttpProxyAgent} = await import(`undici/lib/dispatcher/env-http-proxy-agent.js`);
+    ProxyAgent = EnvHttpProxyAgent;
   }
-
-  return new ProxyAgent(proxy);
+  return new ProxyAgent();
 }
diff --git a/yarn.lock b/yarn.lock
index 1b44a9831..38fbb16f2 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -657,15 +657,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@types/node@npm:*":
-  version: 22.13.1
-  resolution: "@types/node@npm:22.13.1"
-  dependencies:
-    undici-types: "npm:~6.20.0"
-  checksum: 10c0/d4e56d41d8bd53de93da2651c0a0234e330bd7b1b6d071b1a94bd3b5ee2d9f387519e739c52a15c1faa4fb9d97e825b848421af4b2e50e6518011e7adb4a34b7
-  languageName: node
-  linkType: hard
-
 "@types/node@npm:^20.4.6":
   version: 20.17.17
   resolution: "@types/node@npm:20.17.17"
@@ -675,15 +666,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@types/proxy-from-env@npm:^1":
-  version: 1.0.4
-  resolution: "@types/proxy-from-env@npm:1.0.4"
-  dependencies:
-    "@types/node": "npm:*"
-  checksum: 10c0/ff2baedf8b5513ebf76bbe1b80079be45cc84c603951080656d2df64fcea2d3206489f22ec76f64cc3123b1c2a6836f97ed131a7456c769e22059dbca5904c35
-  languageName: node
-  linkType: hard
-
 "@types/semver@npm:^7.1.0":
   version: 7.5.8
   resolution: "@types/semver@npm:7.5.8"
@@ -1395,7 +1377,6 @@ __metadata:
   dependencies:
     "@types/debug": "npm:^4.1.5"
     "@types/node": "npm:^20.4.6"
-    "@types/proxy-from-env": "npm:^1"
     "@types/semver": "npm:^7.1.0"
     "@types/which": "npm:^3.0.0"
     "@yarnpkg/eslint-config": "npm:^2.0.0"
@@ -1406,7 +1387,6 @@ __metadata:
     debug: "npm:^4.1.1"
     esbuild: "npm:^0.24.2"
     eslint: "npm:^8.57.0"
-    proxy-from-env: "npm:^1.1.0"
     semver: "npm:^7.6.3"
     supports-color: "npm:^10.0.0"
     tar: "npm:^7.4.0"
@@ -3596,13 +3576,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"proxy-from-env@npm:^1.1.0":
-  version: 1.1.0
-  resolution: "proxy-from-env@npm:1.1.0"
-  checksum: 10c0/fe7dd8b1bdbbbea18d1459107729c3e4a2243ca870d26d34c2c1bcd3e4425b7bcc5112362df2d93cc7fb9746f6142b5e272fd1cc5c86ddf8580175186f6ad42b
-  languageName: node
-  linkType: hard
-
 "pump@npm:^3.0.0":
   version: 3.0.2
   resolution: "pump@npm:3.0.2"