diff --git a/packages/rest/package.json b/packages/rest/package.json
index 088a3e9b1d..8a9b1a478e 100644
--- a/packages/rest/package.json
+++ b/packages/rest/package.json
@@ -64,7 +64,7 @@
     "openapi-fetch": "0.13.8",
     "openapi-typescript": "7.13.0",
     "openapi-typescript-helpers": "0.0.15",
-    "undici": "7.24.8"
+    "undici": "8.3.0"
   },
   "devDependencies": {
     "@arethetypeswrong/cli": "0.18.2",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 4c4fde4251..f9736a7e84 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -448,8 +448,8 @@ importers:
         specifier: 0.0.15
         version: 0.0.15
       undici:
-        specifier: 7.24.8
-        version: 7.24.8
+        specifier: 8.3.0
+        version: 8.3.0
     devDependencies:
       '@arethetypeswrong/cli':
         specifier: 0.18.2
@@ -7054,9 +7054,9 @@ packages:
   undici-types@7.18.2:
     resolution: {integrity: sha512-AsuCzffGHJybSaRrmr5eHr81mwJU3kjw6M+uprWvCXiNeN9SOGwQ3Jn8jb8m3Z6izVgknn1R0FTCEAP2QrLY/w==}
 
-  undici@7.24.8:
-    resolution: {integrity: sha512-6KQ/+QxK49Z/p3HO6E5ZCZWNnCasyZLa5ExaVYyvPxUwKtbCPMKELJOqh7EqOle0t9cH/7d2TaaTRRa6Nhs4YQ==}
-    engines: {node: '>=20.18.1'}
+  undici@8.3.0:
+    resolution: {integrity: sha512-TkUDgb6tl7KOGZ+7e8E3d2FYgUQgF6z5YypqjWmixVQSQERFcVrVg0ySADm2LVLRh5ljAaHTCR5Fmz3Q34rB7Q==}
+    engines: {node: '>=22.19.0'}
 
   unicode-canonical-property-names-ecmascript@2.0.1:
     resolution: {integrity: sha512-dA8WbNeb2a6oQzAQ55YlT5vQAWGV9WXOsi3SskE3bcCdM0P4SDd+24zS/OCacdRq5BkdsRj9q3Pg6YyQoxIGqg==}
@@ -14576,7 +14576,7 @@ snapshots:
   undici-types@7.18.2:
     optional: true
 
-  undici@7.24.8: {}
+  undici@8.3.0: {}
 
   unicode-canonical-property-names-ecmascript@2.0.1: {}