diff --git a/src/features/chat/thread-rename.ts b/src/features/chat/thread-rename.ts
index 28c345b5..093032a4 100644
--- a/src/features/chat/thread-rename.ts
+++ b/src/features/chat/thread-rename.ts
@@ -78,6 +78,7 @@ export class ThreadRenameController {
   updateDraft(threadId: string, value: string): void {
     if (this.renameThreadId !== threadId) return;
     this.renameDraft = value;
+    this.host.render();
   }
 
   cancel(threadId: string): void {
diff --git a/src/features/threads-view/view.ts b/src/features/threads-view/view.ts
index 485020f1..144363a8 100644
--- a/src/features/threads-view/view.ts
+++ b/src/features/threads-view/view.ts
@@ -242,6 +242,7 @@ export class CodexThreadsView extends ItemView {
 
   private updateRename(threadId: string, value: string): void {
     this.renameDrafts.set(threadId, value);
+    this.render();
   }
 
   private cancelRename(threadId: string): void {
diff --git a/tests/features/chat/thread-rename.test.ts b/tests/features/chat/thread-rename.test.ts
new file mode 100644
index 00000000..99f09f40
--- /dev/null
+++ b/tests/features/chat/thread-rename.test.ts
@@ -0,0 +1,56 @@
+import { describe, expect, it, vi } from "vitest";
+
+import { createChatStateStore } from "../../../src/features/chat/chat-state";
+import { ThreadRenameController } from "../../../src/features/chat/thread-rename";
+import type { Thread } from "../../../src/generated/app-server/v2/Thread";
+import { DEFAULT_SETTINGS } from "../../../src/settings/model";
+
+describe("ThreadRenameController", () => {
+  it("rerenders after updating a controlled rename draft", () => {
+    const stateStore = createChatStateStore();
+    stateStore.dispatch({ type: "thread/list-applied", threads: [threadFixture("thread")] });
+    const render = vi.fn();
+    const controller = new ThreadRenameController({
+      stateStore,
+      vaultPath: "/vault",
+      settings: () => DEFAULT_SETTINGS,
+      ensureConnected: vi.fn().mockResolvedValue(undefined),
+      currentClient: () => null,
+      refreshThreads: vi.fn().mockResolvedValue(undefined),
+      render,
+      addSystemMessage: vi.fn(),
+      notifyThreadRenamed: vi.fn(),
+    });
+
+    controller.start("thread");
+    render.mockClear();
+    controller.updateDraft("thread", "New name");
+
+    expect(render).toHaveBeenCalledOnce();
+    expect(controller.editState("thread")).toEqual({ draft: "New name", generating: false });
+  });
+});
+
+function threadFixture(id: string): Thread {
+  return {
+    id,
+    sessionId: "session",
+    forkedFromId: null,
+    preview: "Thread preview",
+    ephemeral: false,
+    modelProvider: "openai",
+    createdAt: 1,
+    updatedAt: 1,
+    status: { type: "idle" },
+    path: null,
+    cwd: "/vault",
+    cliVersion: "0.0.0",
+    source: "appServer",
+    threadSource: null,
+    agentNickname: null,
+    agentRole: null,
+    gitInfo: null,
+    name: null,
+    turns: [],
+  };
+}
diff --git a/tests/features/threads-view/view.test.ts b/tests/features/threads-view/view.test.ts
index 4a6cf4da..3ff4bb39 100644
--- a/tests/features/threads-view/view.test.ts
+++ b/tests/features/threads-view/view.test.ts
@@ -5,7 +5,7 @@ import { beforeEach, describe, expect, it, vi } from "vitest";
 import { DEFAULT_SETTINGS } from "../../../src/settings/model";
 import type { Turn } from "../../../src/generated/app-server/v2/Turn";
 import type * as ThreadNamingModule from "../../../src/app-server/thread-naming";
-import { installObsidianDomShims } from "../chat/ui/dom-test-helpers";
+import { changeInputValue, installObsidianDomShims } from "../chat/ui/dom-test-helpers";
 
 const connectionMock = vi.hoisted(() => {
   const state = {
@@ -272,8 +272,10 @@ describe("CodexThreadsView", () => {
     const input = view.containerEl.querySelector<HTMLInputElement>(".codex-panel-threads__rename-input");
     expect(input).not.toBeNull();
     if (!input) return;
-    input.value = "Renamed thread";
-    input.dispatchEvent(new FocusEvent("focusout", { bubbles: true }));
+    changeInputValue(input, "Renamed thread");
+    view.containerEl
+      .querySelector<HTMLInputElement>(".codex-panel-threads__rename-input")
+      ?.dispatchEvent(new FocusEvent("focusout", { bubbles: true }));
 
     await vi.waitFor(() => {
       expect(setThreadName).toHaveBeenCalledWith("thread", "Renamed thread");