diff --git a/.changeset/good-buckets-work.md b/.changeset/good-buckets-work.md
new file mode 100644
index 000000000..0996422f5
--- /dev/null
+++ b/.changeset/good-buckets-work.md
@@ -0,0 +1,5 @@
+---
+"@frames.js/render": patch
+---
+
+fix: UNIX timestamp in milliseconds in farcaster untrusted data
diff --git a/packages/render/src/farcaster/frames.tsx b/packages/render/src/farcaster/frames.tsx
index 271b5c63f..9341fc322 100644
--- a/packages/render/src/farcaster/frames.tsx
+++ b/packages/render/src/farcaster/frames.tsx
@@ -82,7 +82,7 @@ export const signFrameAction: SignFrameActionFunc<FarcasterSigner> = async (
         fid: signer.fid,
         url,
         messageHash: `0x${Buffer.from(message.hash).toString("hex")}`,
-        timestamp: message.data.timestamp,
+        timestamp: new Date().getTime(),
         network: 1,
         buttonIndex: Number(message.data.frameActionBody.buttonIndex),
         castId: {