diff --git a/backend/common/core/config.py b/backend/common/core/config.py
index 1d1a6bfe..f32dad35 100644
--- a/backend/common/core/config.py
+++ b/backend/common/core/config.py
@@ -65,6 +65,7 @@ class Settings(BaseSettings):
     SQL_DEBUG: bool = False
     
     UPLOAD_DIR: str = "/opt/sqlbot/data/file"
+    SQLBOT_KEY_EXPIRED: int = 100  # License key expiration timestamp, 0 means no expiration
 
     @computed_field  # type: ignore[prop-decorator]
     @property
diff --git a/backend/pyproject.toml b/backend/pyproject.toml
index bbdf7b9d..0b59f29e 100644
--- a/backend/pyproject.toml
+++ b/backend/pyproject.toml
@@ -36,7 +36,7 @@ dependencies = [
     "pyyaml (>=6.0.2,<7.0.0)",
     "fastapi-mcp (>=0.3.4,<0.4.0)",
     "tabulate>=0.9.0",
-    "sqlbot-xpack==0.0.3.16",
+    "sqlbot-xpack>=0.0.3.18",
     "fastapi-cache2>=0.2.2",
     "sqlparse>=0.5.3",
     "redis>=6.2.0",