diff --git a/packages/openapi-fetch/package.json b/packages/openapi-fetch/package.json
index 968fedfb5..01a4a0b4f 100644
--- a/packages/openapi-fetch/package.json
+++ b/packages/openapi-fetch/package.json
@@ -72,7 +72,7 @@
     "openapi-typescript-fetch": "2.2.1",
     "superagent": "10.3.0",
     "typescript": "catalog:",
-    "undici": "7.25.0",
+    "undici": "8.1.0",
     "vite": "catalog:"
   }
 }
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 571f4eec8..584ba9341 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -106,8 +106,8 @@ importers:
         specifier: 'catalog:'
         version: 5.9.3
       undici:
-        specifier: 7.25.0
-        version: 7.25.0
+        specifier: 8.1.0
+        version: 8.1.0
       vite:
         specifier: 'catalog:'
         version: 7.3.1(@types/node@25.6.0)(jiti@2.6.1)(yaml@2.8.2)
@@ -4090,9 +4090,9 @@ packages:
   undici-types@7.19.2:
     resolution: {integrity: sha512-qYVnV5OEm2AW8cJMCpdV20CDyaN3g0AjDlOGf1OW4iaDEx8MwdtChUp4zu4H0VP3nDRF/8RKWH+IPp9uW0YGZg==}
 
-  undici@7.25.0:
-    resolution: {integrity: sha512-xXnp4kTyor2Zq+J1FfPI6Eq3ew5h6Vl0F/8d9XU5zZQf1tX9s2Su1/3PiMmUANFULpmksxkClamIZcaUqryHsQ==}
-    engines: {node: '>=20.18.1'}
+  undici@8.1.0:
+    resolution: {integrity: sha512-E9MkTS4xXLnRPYqxH2e6Hr2/49e7WFDKczKcCaFH4VaZs2iNvHMqeIkyUAD9vM8kujy9TjVrRlQ5KkdEJxB2pw==}
+    engines: {node: '>=22.19.0'}
 
   unicode-emoji-modifier-base@1.0.0:
     resolution: {integrity: sha512-yLSH4py7oFH3oG/9K+XWrz1pSi3dfUrWEnInbxMfArOfc1+33BlGPQtLsOYwvdMy11AwUBetYuaRxSPqgkq+8g==}
@@ -8219,7 +8219,7 @@ snapshots:
 
   undici-types@7.19.2: {}
 
-  undici@7.25.0: {}
+  undici@8.1.0: {}
 
   unicode-emoji-modifier-base@1.0.0: {}