diff --git a/backend/requirements.txt b/backend/requirements.txt
index 27e0c24cb7..487ab38149 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -60,7 +60,7 @@ fake-useragent==2.2.0
 chromadb==1.0.20
 opensearch-py==2.8.0
 
-pymilvus==2.5.0
+pymilvus==2.6.2
 qdrant-client==1.14.3
 playwright==1.49.1 # Caution: version must match docker-compose.playwright.yaml
 elasticsearch==9.1.0