diff --git a/docs/package.json b/docs/package.json
index 970cbad7c8..f0128db61b 100644
--- a/docs/package.json
+++ b/docs/package.json
@@ -18,7 +18,7 @@
     "pathe": "^0.2.0",
     "rimraf": "^3.0.2",
     "scule": "^0.2.1",
-    "untyped": "^0.3.0",
+    "untyped": "^0.4.2",
     "vue-mq": "^1.0.1",
     "vue-plausible": "^1.3.1"
   },
diff --git a/package.json b/package.json
index 611b1843b5..be511bf52a 100644
--- a/package.json
+++ b/package.json
@@ -30,7 +30,7 @@
     "jiti": "^1.13.0",
     "nitropack-dev": "link:../nitropack",
     "nuxt3": "workspace:./packages/nuxt3",
-    "unbuild": "^0.6.9"
+    "unbuild": "^0.7.0"
   },
   "devDependencies": {
     "@iconify-json/carbon": "^1.1.1",
diff --git a/packages/bridge/package.json b/packages/bridge/package.json
index c06656fc64..c2715a838a 100644
--- a/packages/bridge/package.json
+++ b/packages/bridge/package.json
@@ -58,6 +58,7 @@
     "ufo": "^0.7.9",
     "unplugin": "^0.3.2",
     "unplugin-vue2-script-setup": "0.9.2",
+    "untyped": "^0.4.2",
     "vite": "^2.8.2",
     "vite-plugin-vue2": "^1.9.3",
     "vue-template-compiler": "^2.6.14"
diff --git a/packages/kit/package.json b/packages/kit/package.json
index fe656adc5d..60127d6bfa 100644
--- a/packages/kit/package.json
+++ b/packages/kit/package.json
@@ -29,7 +29,7 @@
     "scule": "^0.2.1",
     "semver": "^7.3.5",
     "unctx": "^1.0.2",
-    "untyped": "^0.3.0"
+    "untyped": "^0.4.2"
   },
   "devDependencies": {
     "@types/lodash.template": "^4",
diff --git a/packages/nuxt3/package.json b/packages/nuxt3/package.json
index 896f3c0175..9f266add3d 100644
--- a/packages/nuxt3/package.json
+++ b/packages/nuxt3/package.json
@@ -59,6 +59,7 @@
     "scule": "^0.2.1",
     "ufo": "^0.7.11",
     "unplugin": "^0.4.0",
+    "untyped": "^0.4.2",
     "vue": "^3.2.31",
     "vue-router": "^4.0.13"
   },
diff --git a/packages/nuxt3/src/core/templates.ts b/packages/nuxt3/src/core/templates.ts
index 976a1733f1..2c5f8bb7e8 100644
--- a/packages/nuxt3/src/core/templates.ts
+++ b/packages/nuxt3/src/core/templates.ts
@@ -3,6 +3,7 @@ import type { Nuxt, NuxtApp } from '@nuxt/schema'
 import { genArrayFromRaw, genDynamicImport, genExport, genImport, genString } from 'knitwork'
 
 import { isAbsolute, join, relative } from 'pathe'
+import { resolveSchema, generateTypes } from 'untyped'
 import escapeRE from 'escape-string-regexp'
 
 export interface TemplateContext {
@@ -128,6 +129,22 @@ export const schemaTemplate = {
       `    [${genString(meta.configKey)}]?: typeof ${genDynamicImport(meta.importName, { wrapper: false })}.default extends NuxtModule<infer O> ? Partial<O> : Record<string, any>`
       ),
       '  }',
+      generateTypes(resolveSchema(nuxt.options.publicRuntimeConfig),
+        {
+          interfaceName: 'PublicRuntimeConfig',
+          addExport: false,
+          addDefaults: false,
+          allowExtraKeys: false,
+          indentation: 2
+        }),
+      generateTypes(resolveSchema(nuxt.options.privateRuntimeConfig), {
+        interfaceName: 'PrivateRuntimeConfig',
+        addExport: false,
+        addDefaults: false,
+        indentation: 2,
+        allowExtraKeys: false,
+        defaultDescrption: 'This value is only accessible from server-side.'
+      }),
       '}'
     ].join('\n')
   }
diff --git a/packages/schema/src/types/config.ts b/packages/schema/src/types/config.ts
index 5b6468c23a..ac8765132c 100644
--- a/packages/schema/src/types/config.ts
+++ b/packages/schema/src/types/config.ts
@@ -17,4 +17,6 @@ export interface PublicRuntimeConfig extends Record<string, any> { }
 export interface PrivateRuntimeConfig extends PublicRuntimeConfig { }
 
 type _RuntimeConfig = PublicRuntimeConfig & Partial<PrivateRuntimeConfig>
-export interface RuntimeConfig extends _RuntimeConfig { }
+export interface RuntimeConfig extends _RuntimeConfig {
+  [key: string]: any
+}
diff --git a/test/fixtures/basic/nuxt.config.ts b/test/fixtures/basic/nuxt.config.ts
index a3fb219710..466eb42e3b 100644
--- a/test/fixtures/basic/nuxt.config.ts
+++ b/test/fixtures/basic/nuxt.config.ts
@@ -8,7 +8,10 @@ export default defineNuxtConfig({
     output: { dir: process.env.NITRO_OUTPUT_DIR }
   },
   publicRuntimeConfig: {
-    testConfig: '123'
+    testConfig: 123
+  },
+  privateRuntimeConfig: {
+    privateConfig: 'secret_key'
   },
   modules: ['~/modules/example'],
   hooks: {
diff --git a/test/fixtures/basic/types.ts b/test/fixtures/basic/types.ts
index 78e6c0f1f9..20561e1231 100644
--- a/test/fixtures/basic/types.ts
+++ b/test/fixtures/basic/types.ts
@@ -79,3 +79,12 @@ describe('modules', () => {
     defineNuxtConfig({ undeclaredKey: { other: false } })
   })
 })
+
+describe('runtimeConfig', () => {
+  it('generated runtimeConfig types', () => {
+    const runtimeConfig = useRuntimeConfig()
+    expectTypeOf(runtimeConfig.testConfig).toMatchTypeOf<number>()
+    expectTypeOf(runtimeConfig.privateConfig).toMatchTypeOf<string>()
+    expectTypeOf(runtimeConfig.unknown).toMatchTypeOf<any>()
+  })
+})
diff --git a/yarn.lock b/yarn.lock
index b4a8b53a99..b695276a57 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -42,7 +42,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@babel/code-frame@npm:^7.0.0, @babel/code-frame@npm:^7.10.4, @babel/code-frame@npm:^7.16.0, @babel/code-frame@npm:^7.16.7":
+"@babel/code-frame@npm:^7.0.0, @babel/code-frame@npm:^7.10.4, @babel/code-frame@npm:^7.16.7":
   version: 7.16.7
   resolution: "@babel/code-frame@npm:7.16.7"
   dependencies:
@@ -2683,6 +2683,7 @@ __metadata:
     unbuild: latest
     unplugin: ^0.3.2
     unplugin-vue2-script-setup: 0.9.2
+    untyped: ^0.4.2
     vite: ^2.8.2
     vite-plugin-vue2: ^1.9.3
     vue: ^2
@@ -2985,7 +2986,7 @@ __metadata:
     semver: ^7.3.5
     unbuild: latest
     unctx: ^1.0.2
-    untyped: ^0.3.0
+    untyped: ^0.4.2
   languageName: unknown
   linkType: soft
 
@@ -14517,7 +14518,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"mkdist@npm:^0.3.9":
+"mkdist@npm:^0.3.10":
   version: 0.3.10
   resolution: "mkdist@npm:0.3.10"
   dependencies:
@@ -15496,6 +15497,7 @@ __metadata:
     ufo: ^0.7.11
     unbuild: latest
     unplugin: ^0.4.0
+    untyped: ^0.4.2
     vue: ^3.2.31
     vue-meta: next
     vue-router: ^4.0.13
@@ -19052,19 +19054,19 @@ __metadata:
   languageName: node
   linkType: hard
 
-"rollup-plugin-dts@npm:^4.1.0":
-  version: 4.1.0
-  resolution: "rollup-plugin-dts@npm:4.1.0"
+"rollup-plugin-dts@npm:^4.2.0":
+  version: 4.2.0
+  resolution: "rollup-plugin-dts@npm:4.2.0"
   dependencies:
-    "@babel/code-frame": ^7.16.0
-    magic-string: ^0.25.7
+    "@babel/code-frame": ^7.16.7
+    magic-string: ^0.26.1
   peerDependencies:
     rollup: ^2.55
-    typescript: ~4.1 || ~4.2 || ~4.3 || ~4.4 || ~4.5
+    typescript: ^4.1
   dependenciesMeta:
     "@babel/code-frame":
       optional: true
-  checksum: add2715d4906dccb8bbad63e02668303eee553b68e2ae8c7c686abc5ea7936ef316db43845eb12bf978002f461e43b00ecfe61bd2ffedd6c570e12a289de7c18
+  checksum: 2b8394bf62c3903a68722266999adf3e85768bf1a7e93286841b466afaabf5cb30501f71d40075c3393cc33defa6ed13d3276bae0d8cb7a87a95d06f7a93c04d
   languageName: node
   linkType: hard
 
@@ -20957,7 +20959,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"typescript@npm:^4.3.4, typescript@npm:^4.5.5, typescript@npm:^4.6.2":
+"typescript@npm:^4.3.4, typescript@npm:^4.6.2":
   version: 4.6.2
   resolution: "typescript@npm:4.6.2"
   bin:
@@ -20967,7 +20969,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"typescript@patch:typescript@^4.3.4#~builtin<compat/typescript>, typescript@patch:typescript@^4.5.5#~builtin<compat/typescript>, typescript@patch:typescript@^4.6.2#~builtin<compat/typescript>":
+"typescript@patch:typescript@^4.3.4#~builtin<compat/typescript>, typescript@patch:typescript@^4.6.2#~builtin<compat/typescript>":
   version: 4.6.2
   resolution: "typescript@patch:typescript@npm%3A4.6.2#~builtin<compat/typescript>::version=4.6.2&hash=bda367"
   bin:
@@ -21065,40 +21067,40 @@ __metadata:
   languageName: node
   linkType: hard
 
-"unbuild@npm:^0.6.9":
-  version: 0.6.9
-  resolution: "unbuild@npm:0.6.9"
+"unbuild@npm:^0.7.0":
+  version: 0.7.0
+  resolution: "unbuild@npm:0.7.0"
   dependencies:
     "@rollup/plugin-alias": ^3.1.9
-    "@rollup/plugin-commonjs": ^21.0.1
+    "@rollup/plugin-commonjs": ^21.0.2
     "@rollup/plugin-json": ^4.1.0
     "@rollup/plugin-node-resolve": ^13.1.3
-    "@rollup/plugin-replace": ^3.0.1
-    "@rollup/pluginutils": ^4.1.2
-    chalk: ^5.0.0
+    "@rollup/plugin-replace": ^4.0.0
+    "@rollup/pluginutils": ^4.2.0
+    chalk: ^5.0.1
     consola: ^2.15.3
     defu: ^5.0.1
-    esbuild: ^0.14.14
+    esbuild: ^0.14.25
     hookable: ^5.1.1
-    jiti: ^1.12.14
-    magic-string: ^0.25.7
+    jiti: ^1.13.0
+    magic-string: ^0.26.1
     mkdirp: ^1.0.4
-    mkdist: ^0.3.9
-    mlly: ^0.4.1
+    mkdist: ^0.3.10
+    mlly: ^0.4.3
     mri: ^1.2.0
     pathe: ^0.2.0
     pkg-types: ^0.3.2
-    pretty-bytes: ^5.6.0
+    pretty-bytes: ^6.0.0
     rimraf: ^3.0.2
-    rollup: ^2.66.1
-    rollup-plugin-dts: ^4.1.0
+    rollup: ^2.70.0
+    rollup-plugin-dts: ^4.2.0
     rollup-plugin-esbuild: ^4.8.2
     scule: ^0.2.1
-    typescript: ^4.5.5
-    untyped: ^0.3.0
+    typescript: ^4.6.2
+    untyped: ^0.4.0
   bin:
     unbuild: dist/cli.mjs
-  checksum: f3db7b040007247ffd7e1ba66e895bb6fd85a5f1e0f8253b862b6ef0f289d0d394e9cc8fee5edbdef901fcfaecafa2cea259b314919f2c2ca7855e22cdc0cdd6
+  checksum: 085af2e17825859e50979909c127e38a149abcc2f75ca57d5e47d1699d042ccbac696fadf6808b24e6ee7ac361915933efbc6452f5102fbb856997ff89fe473b
   languageName: node
   linkType: hard
 
@@ -21390,6 +21392,20 @@ __metadata:
   languageName: node
   linkType: hard
 
+"untyped@npm:^0.4.0":
+  version: 0.4.0
+  resolution: "untyped@npm:0.4.0"
+  checksum: f2557963fb93c2a055e18c3b0d06bcab2e1539c024824946053ded03e275a062c8540e1f00d90c12e5fc3f78c75a46e11ac83d83ac827b2113868489855e791f
+  languageName: node
+  linkType: hard
+
+"untyped@npm:^0.4.2":
+  version: 0.4.2
+  resolution: "untyped@npm:0.4.2"
+  checksum: 51468cf8cb114795d08986cd37ff37f51a039a1b8c82147d3e7a12edd8515b446c54304728e5c290161249a599e72bc90851bbe6ae90c68778ad30642b6cbcfa
+  languageName: node
+  linkType: hard
+
 "upath@npm:^1.1.1":
   version: 1.2.0
   resolution: "upath@npm:1.2.0"