diff --git a/libs/community/langchain_community/tools/cassandra_database/tool.py b/libs/community/langchain_community/tools/cassandra_database/tool.py
index b96da9973a4..ab6e502fb08 100644
--- a/libs/community/langchain_community/tools/cassandra_database/tool.py
+++ b/libs/community/langchain_community/tools/cassandra_database/tool.py
@@ -7,7 +7,7 @@ from typing import TYPE_CHECKING, Any, Dict, Optional, Sequence, Type, Union
 
 from langchain_core.callbacks import CallbackManagerForToolRun
 from langchain_core.tools import BaseTool
-from pydantic import BaseModel, Field
+from pydantic import BaseModel, ConfigDict, Field
 
 from langchain_community.utilities.cassandra_database import CassandraDatabase
 
@@ -20,6 +20,10 @@ class BaseCassandraDatabaseTool(BaseModel):
 
     db: CassandraDatabase = Field(exclude=True)
 
+    model_config = ConfigDict(
+        arbitrary_types_allowed=True,
+    )
+
 
 class _QueryCassandraDatabaseToolInput(BaseModel):
     query: str = Field(..., description="A detailed and correct CQL query.")