diff --git a/api/core/mcp/entities.py b/api/core/mcp/entities.py
index 9afac96b12..7553c10a2e 100644
--- a/api/core/mcp/entities.py
+++ b/api/core/mcp/entities.py
@@ -4,7 +4,7 @@ from typing import Any, Generic, TypeVar
 from core.mcp.session.base_session import BaseSession
 from core.mcp.types import LATEST_PROTOCOL_VERSION, RequestId, RequestParams
 
-SUPPORTED_PROTOCOL_VERSIONS: tuple[int, str] = (1, LATEST_PROTOCOL_VERSION)
+SUPPORTED_PROTOCOL_VERSIONS: list[str] = ["2024-11-05", LATEST_PROTOCOL_VERSION]
 
 
 SessionT = TypeVar("SessionT", bound=BaseSession[Any, Any, Any, Any, Any])
diff --git a/api/core/mcp/types.py b/api/core/mcp/types.py
index bf12ae2a95..75c063f7dd 100644
--- a/api/core/mcp/types.py
+++ b/api/core/mcp/types.py
@@ -31,7 +31,7 @@ for reference.
   not separate types in the schema.
 """
 
-LATEST_PROTOCOL_VERSION = "2024-11-05"
+LATEST_PROTOCOL_VERSION = "2025-03-26"
 
 ProgressToken = str | int
 Cursor = str