diff --git a/app/constant.ts b/app/constant.ts
index a3fc870be..956160bcd 100644
--- a/app/constant.ts
+++ b/app/constant.ts
@@ -92,7 +92,7 @@ export const SUMMARIZE_MODEL = "gpt-3.5-turbo-1106";
 
 export const KnowledgeCutOffDate: Record<string, string> = {
   default: "2021-09",
-  "gpt-4-turbo-preview": "2023-04",
+  "gpt-4-turbo-preview": "2023-12",
   "gpt-4-vision-preview": "2023-04",
 };