diff --git a/packages/cli/test/updater-install.test.ts b/packages/cli/test/updater-install.test.ts
index eb90ef01d99..775b49af7ee 100644
--- a/packages/cli/test/updater-install.test.ts
+++ b/packages/cli/test/updater-install.test.ts
@@ -198,7 +198,13 @@ test("Node distribution honors the compile-time CLI name", async () => {
       "--test-name-pattern",
       "^Node distribution resolves the published npm package$",
     ],
-    { cwd: path.join(import.meta.dir, ".."), stdout: "ignore", stderr: "pipe" },
+    {
+      cwd: path.join(import.meta.dir, ".."),
+      stdout: "ignore",
+      stderr: "pipe",
+      // Bun 1.4 can reuse cached modules compiled with different --define values.
+      env: { ...process.env, BUN_RUNTIME_TRANSPILER_CACHE_PATH: "0" },
+    },
   )
   const [code, stderr] = await Promise.all([child.exited, new Response(child.stderr).text()])
   expect(code, stderr).toBe(0)