diff --git a/packages/start-server-core/package.json b/packages/start-server-core/package.json
index 9d08e09059c..c65376c55dd 100644
--- a/packages/start-server-core/package.json
+++ b/packages/start-server-core/package.json
@@ -79,7 +79,7 @@
     "@tanstack/router-core": "workspace:*",
     "@tanstack/start-client-core": "workspace:*",
     "@tanstack/start-storage-context": "workspace:*",
-    "h3-v2": "npm:h3@2.0.0-beta.5",
+    "h3-v2": "npm:h3@2.0.1-rc.2",
     "seroval": "^1.4.1",
     "tiny-invariant": "^1.3.3"
   },
diff --git a/packages/start-server-core/src/request-response.ts b/packages/start-server-core/src/request-response.ts
index cf0e426db9c..0c5f8efffd7 100644
--- a/packages/start-server-core/src/request-response.ts
+++ b/packages/start-server-core/src/request-response.ts
@@ -327,7 +327,8 @@ export function clearSession(config: Partial<SessionConfig>): Promise<void> {
 // not public API
 export function getResponse() {
   const event = getH3Event()
-  return event._res
+  // @ts-expect-error accessing internal symbol
+  return event[Symbol.for('h3.internal.event.res')]
 }
 
 // not public API (yet)
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 4a3eae65cb1..3f215bdf2b6 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -12342,8 +12342,8 @@ importers:
         specifier: workspace:*
         version: link:../start-storage-context
       h3-v2:
-        specifier: npm:h3@2.0.0-beta.5
-        version: h3@2.0.0-beta.5(crossws@0.4.1(srvx@0.9.8))
+        specifier: npm:h3@2.0.1-rc.2
+        version: h3@2.0.1-rc.2(crossws@0.4.1(srvx@0.9.8))
       seroval:
         specifier: ^1.4.1
         version: 1.4.1
@@ -20296,15 +20296,6 @@ packages:
   h3@1.15.4:
     resolution: {integrity: sha512-z5cFQWDffyOe4vQ9xIqNfCZdV4p//vy6fBnr8Q1AWnVZ0teurKMG66rLj++TKwKPUP3u7iMUvrvKaEUiQw2QWQ==}
 
-  h3@2.0.0-beta.5:
-    resolution: {integrity: sha512-ApIkLH+nTxzCC0Nq/GN1v6jkvu2eOLfdTnTs6ghiuG1EYHWJBDLzhk5tn7SZMEUNsLUjG4qfmqzBx2LG9I7Q/w==}
-    engines: {node: '>=20.11.1'}
-    peerDependencies:
-      crossws: ^0.4.1
-    peerDependenciesMeta:
-      crossws:
-        optional: true
-
   h3@2.0.1-rc.2:
     resolution: {integrity: sha512-2vS7OETzPDzGQxmmcs6ttu7p0NW25zAdkPXYOr43dn4GZf81uUljJvupa158mcpUGpsQUqIy4O4THWUQT1yVeA==}
     engines: {node: '>=20.11.1'}
@@ -22602,8 +22593,8 @@ packages:
   rou3@0.5.1:
     resolution: {integrity: sha512-OXMmJ3zRk2xeXFGfA3K+EOPHC5u7RDFG7lIOx0X1pdnhUkI8MdVrbV+sNsD80ElpUZ+MRHdyxPnFthq9VHs8uQ==}
 
-  rou3@0.7.8:
-    resolution: {integrity: sha512-21X/el5fdOaEsqwl3an/d9kpZ8hshVIyrwFCpsoleJ4ccAGRbN+PVoxyXzWXkHDxfMkVnLe4yzx+imz2qoem2Q==}
+  rou3@0.7.12:
+    resolution: {integrity: sha512-iFE4hLDuloSWcD7mjdCDhx2bKcIsYbtOTpfH5MHHLSKMOUyjqQXTeZVa289uuwEGEKFoE/BAPbhaU4B774nceg==}
 
   router@2.2.0:
     resolution: {integrity: sha512-nLTrUKm2UyiL7rlhapu/Zl45FwNgkZGaCpZbIHajDYgwlJCOzLSk+cIPAnsEqV955GjILJnKbdQC1nVPz+gAYQ==}
@@ -33216,23 +33207,23 @@ snapshots:
       ufo: 1.6.1
       uncrypto: 0.1.3
 
-  h3@2.0.0-beta.5(crossws@0.4.1(srvx@0.9.8)):
+  h3@2.0.1-rc.2(crossws@0.4.1(srvx@0.8.15)):
     dependencies:
       cookie-es: 2.0.0
       fetchdts: 0.1.7
-      rou3: 0.7.8
+      rou3: 0.7.12
       srvx: 0.8.15
     optionalDependencies:
-      crossws: 0.4.1(srvx@0.9.8)
+      crossws: 0.4.1(srvx@0.8.15)
 
-  h3@2.0.1-rc.2(crossws@0.4.1(srvx@0.8.15)):
+  h3@2.0.1-rc.2(crossws@0.4.1(srvx@0.9.8)):
     dependencies:
       cookie-es: 2.0.0
       fetchdts: 0.1.7
-      rou3: 0.7.8
+      rou3: 0.7.12
       srvx: 0.8.15
     optionalDependencies:
-      crossws: 0.4.1(srvx@0.8.15)
+      crossws: 0.4.1(srvx@0.9.8)
 
   handle-thing@2.0.1: {}
 
@@ -35785,7 +35776,7 @@ snapshots:
 
   rou3@0.5.1: {}
 
-  rou3@0.7.8: {}
+  rou3@0.7.12: {}
 
   router@2.2.0:
     dependencies: