diff --git a/ts/util/isValidUuid.ts b/ts/util/isValidUuid.ts
index 526a0ade30..a55c277dce 100644
--- a/ts/util/isValidUuid.ts
+++ b/ts/util/isValidUuid.ts
@@ -1,8 +1,9 @@
 // Copyright 2023 Signal Messenger, LLC
 // SPDX-License-Identifier: AGPL-3.0-only
 
+// [47] to support v4 and v7 uuids
 const UUID_REGEXP =
-  /^[0-9A-F]{8}-[0-9A-F]{4}-4[0-9A-F]{3}-[89AB][0-9A-F]{3}-[0-9A-F]{12}$/i;
+  /^[0-9A-F]{8}-[0-9A-F]{4}-[47][0-9A-F]{3}-[89AB][0-9A-F]{3}-[0-9A-F]{12}$/i;
 
 export const isValidUuid = (value: unknown): value is string => {
   if (typeof value !== 'string') {