diff --git a/src/render.test.ts b/src/render.test.ts
index 7dc4afa..095e76d 100644
--- a/src/render.test.ts
+++ b/src/render.test.ts
@@ -35,15 +35,24 @@ test("rendering text", async (t) => {
   const content = nanoid()
   const root = render(content, channel)
 
-  await waitForWithTimeout(
-    () => channel.messages.cache.some((m) => m.content === content),
-    4000,
-  )
+  await waitForWithTimeout(async () => {
+    const messages = await channel.messages.fetch()
+    return messages.some((m) => m.content === content)
+  }, 4000)
+
+  const newContent = nanoid()
+  root.rerender(newContent)
+
+  await waitForWithTimeout(async () => {
+    const messages = await channel.messages.fetch({ limit: 1 })
+    return messages.some((m) => m.content === content)
+  }, 4000)
 
   root.destroy()
 
-  await waitForWithTimeout(() => {
-    return channel.messages.cache
+  await waitForWithTimeout(async () => {
+    const messages = await channel.messages.fetch({ limit: 1 })
+    return messages
       .filter((m) => !m.deleted)
       .every((m) => m.content !== content)
   }, 4000)
diff --git a/src/render.ts b/src/render.ts
index 02b3211..8ee47b9 100644
--- a/src/render.ts
+++ b/src/render.ts
@@ -10,6 +10,9 @@ export function render(content: string, target: ReacordRenderTarget) {
   const containerId = reconciler.createContainer(container, 0, false, null)
   reconciler.updateContainer(content, containerId)
   return {
+    rerender: (newContent: string) => {
+      reconciler.updateContainer(newContent, containerId)
+    },
     destroy: () => {
       reconciler.updateContainer(null, containerId)
     },