diff --git a/core/wren/pyproject.toml b/core/wren/pyproject.toml
index 733ca7b3f9..f760f28af9 100644
--- a/core/wren/pyproject.toml
+++ b/core/wren/pyproject.toml
@@ -78,7 +78,7 @@ memory-onnx = [
 interactive = ["InquirerPy>=0.3.4"]
 ui = ["starlette>=1.3.1", "uvicorn>=0.29", "jinja2>=3.1", "python-multipart>=0.0.31"]
 # FastMCP is a v1 API; MCP v2 removes mcp.server.fastmcp.
-mcp = ["mcp[cli]>=1.19,<2"]
+mcp = ["mcp[cli]>=1.19,<3"]
 main = ["wrenai[interactive,ui]"]
 all = [
   "wrenai[postgres,mysql,bigquery,snowflake,clickhouse,trino,mssql,databricks,redshift,athena,oracle,spark,main,memory,mcp]",