diff --git a/backend/requirements.txt b/backend/requirements.txt
index cf5c61983e..8bbcdcf390 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -57,7 +57,7 @@ langchain==0.3.27
 langchain-community==0.3.29
 
 fake-useragent==2.2.0
-chromadb==1.0.20
+chromadb==1.1.0
 opensearch-py==2.8.0
 
 pymilvus==2.5.0