diff --git a/requirements.txt b/requirements.txt
index fe50e60..bcffbc0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ fastapi>=0.115,<1
 uvicorn[standard]>=0.30,<1
 aiofiles>=23.0
 ollama>=0.3,<1
-chromadb>=0.5,<1
+chromadb>=1.5,<2
 sqlalchemy>=2,<3
 aiosqlite>=0.20
 apscheduler>=3.10,<4