diff --git a/package.json b/package.json
index cd2e3c18..543f3065 100644
--- a/package.json
+++ b/package.json
@@ -75,7 +75,7 @@
     "mime-types": "^2.1.35",
     "qs": "^6.15.0",
     "type-fest": "^4.41.0",
-    "undici": "^7.24.0",
+    "undici": "^8.0.0",
     "ylru": "^2.0.0"
   },
   "devDependencies": {
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index c2faba1f..44eecf78 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -28,8 +28,8 @@ importers:
         specifier: ^4.41.0
         version: 4.41.0
       undici:
-        specifier: ^7.24.0
-        version: 7.24.6
+        specifier: ^8.0.0
+        version: 8.0.1
       ylru:
         specifier: ^2.0.0
         version: 2.0.0
@@ -1560,9 +1560,9 @@ packages:
   undici-types@6.21.0:
     resolution: {integrity: sha512-iwDZqg0QAGrg9Rav5H4n0M64c3mkR59cJ6wQp+7C4nI0gsmExaedaYLNO44eT4AtBBwjbTiGPMlt2Md0T9H9JQ==}
 
-  undici@7.24.6:
-    resolution: {integrity: sha512-Xi4agocCbRzt0yYMZGMA6ApD7gvtUFaxm4ZmeacWI4cZxaF6C+8I8QfofC20NAePiB/IcvZmzkJ7XPa471AEtA==}
-    engines: {node: '>=20.18.1'}
+  undici@8.0.1:
+    resolution: {integrity: sha512-6qdTUr+jabXmYKeYkv/+pIvO7d0bs1k9uy+5PFnXr4segNVwILH1KExhwRh3/iGa6gSLmySK3hTnSs3k7ZPnjQ==}
+    engines: {node: '>=22.19.0'}
 
   unicode-emoji-modifier-base@1.0.0:
     resolution: {integrity: sha512-yLSH4py7oFH3oG/9K+XWrz1pSi3dfUrWEnInbxMfArOfc1+33BlGPQtLsOYwvdMy11AwUBetYuaRxSPqgkq+8g==}
@@ -2871,7 +2871,7 @@ snapshots:
 
   undici-types@6.21.0: {}
 
-  undici@7.24.6: {}
+  undici@8.0.1: {}
 
   unicode-emoji-modifier-base@1.0.0: {}
 
diff --git a/test/options.dispatcher.test.ts b/test/options.dispatcher.test.ts
index e737afc0..18b7b4da 100644
--- a/test/options.dispatcher.test.ts
+++ b/test/options.dispatcher.test.ts
@@ -27,6 +27,7 @@ describe('options.dispatcher.test.ts', () => {
 
   afterAll(async () => {
     await close();
+    proxyServer.closeAllConnections();
     await new Promise((resolve) => {
       proxyServer.close(resolve);
     });
@@ -50,6 +51,7 @@ describe('options.dispatcher.test.ts', () => {
     // console.log(response2.status, response2.headers);
     assert.equal(response2.status, 200);
     assert.equal(response2.data.name, 'urllib');
+    await proxyAgent.close();
   });
 
   it('should work with getGlobalDispatcher() dispatcher', async () => {
@@ -63,6 +65,7 @@ describe('options.dispatcher.test.ts', () => {
     assert.equal(response.status, 200);
     assert.equal(response.data, '<h1>hello</h1>');
     setGlobalDispatcher(agent);
+    await proxyAgent.close();
   });
 
   it('should work with http/2 dispatcher', async () => {
@@ -80,5 +83,6 @@ describe('options.dispatcher.test.ts', () => {
     });
     assert.equal(response.status, 200);
     assert.match(response.headers['content-type'] ?? '', /application\/json/);
+    await agent.close();
   });
 });