diff --git a/autorag/VERSION b/autorag/VERSION
index 5503126d5..f510c3c58 100644
--- a/autorag/VERSION
+++ b/autorag/VERSION
@@ -1 +1 @@
-0.3.10
+0.3.10rc1
diff --git a/autorag/__init__.py b/autorag/__init__.py
index 3c861aafc..21b019a1a 100644
--- a/autorag/__init__.py
+++ b/autorag/__init__.py
@@ -5,7 +5,7 @@
 from random import random
 from typing import List, Any
 
-from llama_index.core import MockEmbedding
+from llama_index.core.embeddings.mock_embed_model import MockEmbedding
 from llama_index.core.base.llms.types import CompletionResponse
 from llama_index.core.llms.mock import MockLLM
 from llama_index.llms.bedrock import Bedrock
diff --git a/requirements.txt b/requirements.txt
index f4d7de202..c00f1649a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,4 @@
+pydantic<2.10.0 # incompatible with llama index
 numpy<2.0.0 # temporal not using numpy 2.0.0
 pandas>=2.1.0
 tqdm