diff --git a/pyproject.toml b/pyproject.toml
index 30a0626d5..f4261ba82 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -55,7 +55,7 @@ dependencies = [
     "chromadb==0.6.2",
     "pymilvus==2.5.0",
     "qdrant-client~=1.12.0",
-    "opensearch-py==2.7.1",
+    "opensearch-py==2.8.0",
 
     "transformers",
     "sentence-transformers==3.3.1",