diff --git a/llama_stack/providers/utils/vector_io/chunk_utils.py b/llama_stack/providers/utils/vector_io/chunk_utils.py
index 68cf11cad..a56fd28bb 100644
--- a/llama_stack/providers/utils/vector_io/chunk_utils.py
+++ b/llama_stack/providers/utils/vector_io/chunk_utils.py
@@ -11,4 +11,4 @@ import uuid
 def generate_chunk_id(document_id: str, chunk_text: str) -> str:
     """Generate a unique chunk ID using a hash of document ID and chunk text."""
     hash_input = f"{document_id}:{chunk_text}".encode()
-    return str(uuid.UUID(hashlib.md5(hash_input).hexdigest()))
+    return str(uuid.UUID(hashlib.md5(hash_input, usedforsecurity=False).hexdigest()))