diff --git a/apps/setting/models_provider/impl/local_model_provider/model/reranker.py b/apps/setting/models_provider/impl/local_model_provider/model/reranker.py
index 7d219c020..b941625b0 100644
--- a/apps/setting/models_provider/impl/local_model_provider/model/reranker.py
+++ b/apps/setting/models_provider/impl/local_model_provider/model/reranker.py
@@ -69,7 +69,7 @@ class LocalBaseReranker(MaxKBBaseModel, BaseDocumentCompressor):
     tokenizer: Any = None
     model: Optional[str] = None
     cache_dir: Optional[str] = None
-    model_kwargs: ClassVar = {}
+    model_kwargs: Any = {}
 
     def __init__(self, model_name, cache_dir=None, **model_kwargs):
         super().__init__()
diff --git a/pyproject.toml b/pyproject.toml
index 352984358..35d74a52e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -28,7 +28,7 @@ diskcache = "^5.6.3"
 pillow = "^10.2.0"
 filetype = "^1.2.0"
 torch = "2.6.0"
-sentence-transformers = "^2.2.2"
+sentence-transformers = "^4.0.2"
 openai = "^1.13.3"
 tiktoken = "^0.7.0"
 qianfan = "^0.3.6.1"
@@ -66,6 +66,7 @@ pysilk = "^0.0.1"
 django-db-connection-pool = "^1.2.5"
 opencv-python-headless = "^4.11.0.86"
 pymysql = "^1.1.1"
+accelerate = "^1.6.0"
 [build-system]
 requires = ["poetry-core"]
 build-backend = "poetry.core.masonry.api"