diff --git a/B01_Dashboard/B01_Dashboard_Knowledge_Chat.py b/B01_Dashboard/B01_Dashboard_Knowledge_Chat.py
index 62bfd163b..7438a4910 100644
--- a/B01_Dashboard/B01_Dashboard_Knowledge_Chat.py
+++ b/B01_Dashboard/B01_Dashboard_Knowledge_Chat.py
@@ -13,7 +13,7 @@ from common_util.common_util_auth import verify_session
 
 router = APIRouter(prefix="/knowledge-chat", tags=["B01_KnowledgeChat"])
 ORIGINAL = Path(__file__).resolve().parents[1] / "resources" / "knowledge" / "original"
-MODEL = "gemini-3.5-flash-lite"
+MODEL = "gemini-3.8-flash"
 
 
 class ChatRequest(BaseModel):