diff --git a/src/version.test.ts b/src/version.test.ts
index 97fbbcde3f3..75bcedb1a13 100644
--- a/src/version.test.ts
+++ b/src/version.test.ts
@@ -1,8 +1,8 @@
 import fs from "node:fs/promises";
 import path from "node:path";
 import { pathToFileURL } from "node:url";
-import { describe, expect, it } from "vitest";
-import { withTempDir } from "./test-helpers/temp-dir.js";
+import { afterAll, beforeAll, describe, expect, it } from "vitest";
+import { createSuiteTempRootTracker } from "./test-helpers/temp-dir.js";
 import {
   VERSION,
   readVersionFromBuildInfoForModuleUrl,
@@ -14,10 +14,24 @@ import {
   resolveVersionFromModuleUrl,
 } from "./version.js";
 
+const versionFixtureRoot = createSuiteTempRootTracker({ prefix: "openclaw-version-" });
+
+beforeAll(async () => {
+  await versionFixtureRoot.setup();
+});
+
+afterAll(async () => {
+  await versionFixtureRoot.cleanup();
+});
+
 function moduleUrlFrom(root: string, relativePath: string): string {
   return pathToFileURL(path.join(root, relativePath)).href;
 }
 
+async function withVersionFixtureDir<T>(run: (root: string) => Promise<T>): Promise<T> {
+  return await run(await versionFixtureRoot.make("case"));
+}
+
 async function ensureModuleFixture(root: string, relativePath = "dist/plugin-sdk/index.js") {
   await fs.mkdir(path.dirname(path.join(root, relativePath)), { recursive: true });
   return moduleUrlFrom(root, relativePath);
@@ -37,7 +51,7 @@ function expectVersionMetadataToBeMissing(moduleUrl: string) {
 
 describe("version resolution", () => {
   it("resolves package version from nested dist/plugin-sdk module URL", async () => {
-    await withTempDir({ prefix: "openclaw-version-" }, async (root) => {
+    await withVersionFixtureDir(async (root) => {
       await writeJsonFixture(root, "package.json", { name: "openclaw", version: "1.2.3" });
       const moduleUrl = await ensureModuleFixture(root);
       expect(readVersionFromPackageJsonForModuleUrl(moduleUrl)).toBe("1.2.3");
@@ -46,7 +60,7 @@ describe("version resolution", () => {
   });
 
   it("ignores unrelated nearby package.json files", async () => {
-    await withTempDir({ prefix: "openclaw-version-" }, async (root) => {
+    await withVersionFixtureDir(async (root) => {
       await writeJsonFixture(root, "package.json", { name: "openclaw", version: "2.3.4" });
       await writeJsonFixture(root, "dist/package.json", {
         name: "other-package",
@@ -58,7 +72,7 @@ describe("version resolution", () => {
   });
 
   it("falls back to build-info when package metadata is unavailable", async () => {
-    await withTempDir({ prefix: "openclaw-version-" }, async (root) => {
+    await withVersionFixtureDir(async (root) => {
       await writeJsonFixture(root, "build-info.json", { version: "4.5.6" });
       const moduleUrl = await ensureModuleFixture(root);
       expect(readVersionFromPackageJsonForModuleUrl(moduleUrl)).toBeNull();
@@ -68,14 +82,14 @@ describe("version resolution", () => {
   });
 
   it("returns null when no version metadata exists", async () => {
-    await withTempDir({ prefix: "openclaw-version-" }, async (root) => {
+    await withVersionFixtureDir(async (root) => {
       const moduleUrl = await ensureModuleFixture(root);
       expectVersionMetadataToBeMissing(moduleUrl);
     });
   });
 
   it("ignores non-openclaw package and blank build-info versions", async () => {
-    await withTempDir({ prefix: "openclaw-version-" }, async (root) => {
+    await withVersionFixtureDir(async (root) => {
       await writeJsonFixture(root, "package.json", { name: "other-package", version: "9.9.9" });
       await writeJsonFixture(root, "build-info.json", { version: "  " });
       const moduleUrl = await ensureModuleFixture(root);
@@ -90,7 +104,7 @@ describe("version resolution", () => {
   });
 
   it("resolves binary version with explicit precedence", async () => {
-    await withTempDir({ prefix: "openclaw-version-" }, async (root) => {
+    await withVersionFixtureDir(async (root) => {
       await writeJsonFixture(root, "package.json", { name: "openclaw", version: "2.3.4" });
       const moduleUrl = await ensureModuleFixture(root);
       expect(