diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 1fcd5b5ea..10c2fd430 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -173,7 +173,9 @@ jobs:
         with:
           node-version: 'lts/*'
       - if: contains(matrix.generator, 'typescript-fetch')
-        run: npm install -g typescript vite-plus
+        run: |
+          npm install -g typescript@7.0.2 vite-plus@1.5.0
+          tsc --version
       - uses: actions/setup-go@v6
         if: matrix.generator == 'go-http'
         with:
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8484e9ee9..aa623f217 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,15 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Changed
+
+- Upgrade generated TypeScript clients to Vite+ `^1.5.0`, including Vite `8.3.5`,
+  Vitest `5.1.0`, Rolldown `1.2.16`, Oxfmt `0.76.0`, Oxlint `1.91.0`,
+  oxlint-tsgolint `7.0.2005`, and tsdown `0.23.4`. Pin CI validation and
+  documented setup to Vite+ `1.5.0` and TypeScript `7.0.2`, and report the resolved
+  tool versions during client builds. Vite+ projects require Node.js
+  `^22.18.0 || ^24.11.0 || >=26.0.0`.
+
 ## [0.3.0]
 
 ### Breaking Changes
diff --git a/docs/src/golden_testing.md b/docs/src/golden_testing.md
index 2ff0d7286..9d4ff1398 100644
--- a/docs/src/golden_testing.md
+++ b/docs/src/golden_testing.md
@@ -134,9 +134,9 @@ temporary directories so Vite+ does not skip gitignored generated sources; no
 generated manifests or source files are patched. The consumer type check uses
 the generated package's installed compiler rather than the global `tsc` selection.
 The current global Vite+ CLI also needs TypeScript installed alongside the CLI
-for declaration packing (`npm install -g typescript vite-plus`). CI reuses that
-bootstrap and its generator cache in the existing TypeScript/Vite+ golden-build
-job; no separate consumer job is added. `just ci` includes these checks too. See
+for declaration packing (`npm install -g typescript@7.0.2 vite-plus@1.5.0`). CI
+reuses that bootstrap and its generator cache in the existing TypeScript/Vite+
+golden-build job; no separate consumer job is added. `just ci` includes these checks too. See
 `tests/generated-clients/typescript/README.md` for details.
 
 ## Rust Client Runtime Tests
@@ -194,8 +194,8 @@ suite. The independent JVM Client Tests CI matrix and `just ci` run these checks
   validated with Rust 1.99.0). MSRV checks explicitly select Rust 1.90.0; they do
   not substitute for stable validation.
 - Local TypeScript validation uses TypeScript 7.0.2 and Vite+ 1.5.0 on Node
-  26.13.0. The native validators use the active `tsc` and `vp` on `PATH`; when
-  `tsc` is not globally installed, `npm exec --package typescript -- just
+  26.13.0. The native validators use the active `tsc` and `vp` on `PATH`. To select
+  that compiler explicitly, `npm exec --package=typescript@7.0.2 -- just
   golden-typescript::build-tsc` supplies it without changing generated packages.
 - Current local JVM validation uses Homebrew JDK 27.0.1 with Gradle 9.8.2, respecting
   `JAVA_HOME` or the active JVM. CI validates on JDK 27. Generated libraries may
diff --git a/docs/src/ts_config.md b/docs/src/ts_config.md
index 4e86bcb3d..0ea57809a 100644
--- a/docs/src/ts_config.md
+++ b/docs/src/ts_config.md
@@ -115,7 +115,14 @@ Selects the type checking and build toolchain. One of `"tsc"` (default) or `"vp"
 - `"tsc"` — bare TypeScript compiler. Generates `tsconfig.json` only. Build script: `tsc`.
 - `"vp"` — vite-plus. Generates `vite.config.ts` with `pack` config for library output (ESM + .d.ts). Build script: `vp pack`. Check script: `vp check --no-fmt`.
 
-When `toolchain = "vp"`, the generated `package.json` includes `vite-plus` and `typescript` as dev dependencies, and scripts use `vp pack` (library mode) rather than `vp build` (app mode).
+When `toolchain = "vp"`, the generated `package.json` includes `vite-plus` (`^1.5.0`) and `typescript` (`^7.0.2`) as dev dependencies, and scripts use `vp pack` (library mode) rather than `vp build` (app mode).
+
+Vite+ manages Vite, Vitest, Rolldown, Oxfmt, Oxlint, oxlint-tsgolint, and tsdown as
+one toolchain. Upgrading `vite-plus` upgrades these bundled components together.
+Run `vp --version` after `vp install` in a generated project to inspect the resolved
+component versions.
+
+Vite+ 1.5.0 requires Node.js `^22.18.0 || ^24.11.0 || >=26.0.0`.
 
 ```toml
 [generators.typescript-fetch]
diff --git a/just/golden-typescript-clients.just b/just/golden-typescript-clients.just
index 0b3cf7758..eac879ff5 100644
--- a/just/golden-typescript-clients.just
+++ b/just/golden-typescript-clients.just
@@ -20,7 +20,7 @@ set working-directory := '..'
         # Like golden builds, validate outside the ignored generated directory:
         # Vite+ otherwise skips every source file because of the repository ignore.
         tar --exclude=node_modules --exclude=dist -C "$output" -cf - . | tar -C "$build" -xf -
-        (cd "$build" && vp install && vp check --no-fmt && vp pack)
+        (cd "$build" && vp install && vp --version && vp check --no-fmt && vp pack)
         mkdir -p "$output/dist"
         cp "$build"/dist/* "$output/dist/"
     done
diff --git a/src/generators/typescript/fetch/codegen.rs b/src/generators/typescript/fetch/codegen.rs
index 93286f506..4a7cecfc3 100644
--- a/src/generators/typescript/fetch/codegen.rs
+++ b/src/generators/typescript/fetch/codegen.rs
@@ -374,7 +374,7 @@ impl TypeScriptFetchCodeGenerator {
                     });
                     package_json["devDependencies"] = serde_json::json!({
                         "typescript": "^7.0.2",
-                        "vite-plus": "^0.2.5",
+                        "vite-plus": "^1.5.0",
                     });
                 }
             }
diff --git a/tests/generated-clients/typescript/README.md b/tests/generated-clients/typescript/README.md
index 28ab8857c..ec8f853e7 100644
--- a/tests/generated-clients/typescript/README.md
+++ b/tests/generated-clients/typescript/README.md
@@ -4,10 +4,11 @@
 just golden-typescript-clients::test
 ```
 
-Requires Rust, Node, and a current Vite+ CLI installed alongside TypeScript:
+Requires Rust, Node.js `^22.18.0 || ^24.11.0 || >=26.0.0`, and Vite+ 1.5.0
+installed alongside TypeScript 7.0.2:
 
 ```sh
-npm install -g typescript vite-plus
+npm install -g typescript@7.0.2 vite-plus@1.5.0
 ```
 
 The current global Vite+ CLI resolves the TypeScript API beside the CLI when
@@ -17,7 +18,8 @@ The strict consumer check itself uses that package's installed compiler.
 - `prepare` runs the public generator CLI with an explicit empty configuration,
   producing fresh, unmodified preserve and camelCase clients.
 - `build` copies each client to a temporary build directory, runs `vp install`,
-  `vp check --no-fmt`, and `vp pack`, then copies its bundle/declarations back.
+  reports the resolved Vite+ component versions with `vp --version`, runs
+  `vp check --no-fmt` and `vp pack`, then copies its bundle/declarations back.
   Building outside the repository avoids Vite+ skipping gitignored generated
   sources. Generated source, manifests, and configuration are never patched.
 - `typecheck.ts` checks the actual packed declarations with strict typing and
diff --git a/tests/golden/typescript/typescript-fetch/ts-property-naming-camel-case-additional-properties/package.json.golden b/tests/golden/typescript/typescript-fetch/ts-property-naming-camel-case-additional-properties/package.json.golden
index faef13ac5..2b0acc16a 100644
--- a/tests/golden/typescript/typescript-fetch/ts-property-naming-camel-case-additional-properties/package.json.golden
+++ b/tests/golden/typescript/typescript-fetch/ts-property-naming-camel-case-additional-properties/package.json.golden
@@ -2,7 +2,7 @@
   "description": "TypeScript client for TypeScript additional property preservation",
   "devDependencies": {
     "typescript": "^7.0.2",
-    "vite-plus": "^0.2.5"
+    "vite-plus": "^1.5.0"
   },
   "exports": {
     ".": {
diff --git a/tests/golden/typescript/typescript-fetch/ts-toolchain-vp-camel-case-tagged-nullable-unions/package.json.golden b/tests/golden/typescript/typescript-fetch/ts-toolchain-vp-camel-case-tagged-nullable-unions/package.json.golden
index ea5ac7bb5..8a092f4ec 100644
--- a/tests/golden/typescript/typescript-fetch/ts-toolchain-vp-camel-case-tagged-nullable-unions/package.json.golden
+++ b/tests/golden/typescript/typescript-fetch/ts-toolchain-vp-camel-case-tagged-nullable-unions/package.json.golden
@@ -2,7 +2,7 @@
   "description": "Masked fixture for TypeScript Fetch camelCase regression coverage.",
   "devDependencies": {
     "typescript": "^7.0.2",
-    "vite-plus": "^0.2.5"
+    "vite-plus": "^1.5.0"
   },
   "exports": {
     ".": {
diff --git a/tests/golden/typescript/typescript-fetch/ts-toolchain-vp-comprehensive/package.json.golden b/tests/golden/typescript/typescript-fetch/ts-toolchain-vp-comprehensive/package.json.golden
index 43f0827c3..424e93d5b 100644
--- a/tests/golden/typescript/typescript-fetch/ts-toolchain-vp-comprehensive/package.json.golden
+++ b/tests/golden/typescript/typescript-fetch/ts-toolchain-vp-comprehensive/package.json.golden
@@ -2,7 +2,7 @@
   "description": "Comprehensive test for all OpenAPI v3.1.2 schema types",
   "devDependencies": {
     "typescript": "^7.0.2",
-    "vite-plus": "^0.2.5"
+    "vite-plus": "^1.5.0"
   },
   "exports": {
     ".": {
diff --git a/tests/golden/typescript/typescript-fetch/ts-toolchain-vp-delete-response/package.json.golden b/tests/golden/typescript/typescript-fetch/ts-toolchain-vp-delete-response/package.json.golden
index 8561c183d..7a9327070 100644
--- a/tests/golden/typescript/typescript-fetch/ts-toolchain-vp-delete-response/package.json.golden
+++ b/tests/golden/typescript/typescript-fetch/ts-toolchain-vp-delete-response/package.json.golden
@@ -2,7 +2,7 @@
   "description": "Test fixture for DELETE operations with JSON response schemas and type alias request bodies",
   "devDependencies": {
     "typescript": "^7.0.2",
-    "vite-plus": "^0.2.5"
+    "vite-plus": "^1.5.0"
   },
   "exports": {
     ".": {
diff --git a/tests/golden/typescript/typescript-fetch/ts-toolchain-vp-enum-repr/package.json.golden b/tests/golden/typescript/typescript-fetch/ts-toolchain-vp-enum-repr/package.json.golden
index f6d4c3e50..63aa8ed5e 100644
--- a/tests/golden/typescript/typescript-fetch/ts-toolchain-vp-enum-repr/package.json.golden
+++ b/tests/golden/typescript/typescript-fetch/ts-toolchain-vp-enum-repr/package.json.golden
@@ -2,7 +2,7 @@
   "description": "This API demonstrates all 4 kinds of enum representation types: Externally Tagged, Internally Tagged, Adjacently Tagged, and Untagged",
   "devDependencies": {
     "typescript": "^7.0.2",
-    "vite-plus": "^0.2.5"
+    "vite-plus": "^1.5.0"
   },
   "exports": {
     ".": {
diff --git a/tests/golden/typescript/typescript-fetch/ts-toolchain-vp-petstore/package.json.golden b/tests/golden/typescript/typescript-fetch/ts-toolchain-vp-petstore/package.json.golden
index db327e66a..cfafa60c1 100644
--- a/tests/golden/typescript/typescript-fetch/ts-toolchain-vp-petstore/package.json.golden
+++ b/tests/golden/typescript/typescript-fetch/ts-toolchain-vp-petstore/package.json.golden
@@ -2,7 +2,7 @@
   "description": "This is a sample Pet Store Server based on the OpenAPI 3.1 specification",
   "devDependencies": {
     "typescript": "^7.0.2",
-    "vite-plus": "^0.2.5"
+    "vite-plus": "^1.5.0"
   },
   "exports": {
     ".": {
diff --git a/tests/golden/typescript/typescript-fetch/ts-toolchain-vp-self-referential-object/package.json.golden b/tests/golden/typescript/typescript-fetch/ts-toolchain-vp-self-referential-object/package.json.golden
index 7cb84d845..90161f364 100644
--- a/tests/golden/typescript/typescript-fetch/ts-toolchain-vp-self-referential-object/package.json.golden
+++ b/tests/golden/typescript/typescript-fetch/ts-toolchain-vp-self-referential-object/package.json.golden
@@ -2,7 +2,7 @@
   "description": "TypeScript client for Self-Referential Object Test",
   "devDependencies": {
     "typescript": "^7.0.2",
-    "vite-plus": "^0.2.5"
+    "vite-plus": "^1.5.0"
   },
   "exports": {
     ".": {
diff --git a/tests/golden/typescript/typescript-fetch/ts-toolchain-vp/package.json.golden b/tests/golden/typescript/typescript-fetch/ts-toolchain-vp/package.json.golden
index 5227c7c6c..0520f24e4 100644
--- a/tests/golden/typescript/typescript-fetch/ts-toolchain-vp/package.json.golden
+++ b/tests/golden/typescript/typescript-fetch/ts-toolchain-vp/package.json.golden
@@ -2,7 +2,7 @@
   "description": "Test fixture for discriminated union where variants are references to component schemas.\nThis is similar to the ContainerImage pattern in the infiron API.\n",
   "devDependencies": {
     "typescript": "^7.0.2",
-    "vite-plus": "^0.2.5"
+    "vite-plus": "^1.5.0"
   },
   "exports": {
     ".": {