diff --git a/app/pyproject.toml b/app/pyproject.toml
index 4c1e1cb..8158c31 100644
--- a/app/pyproject.toml
+++ b/app/pyproject.toml
@@ -29,7 +29,7 @@ dependencies = [
     "watchdog>=4.0.0",
     # MCP tools dependencies
     "mcp>=1.0.0",
-    "fastmcp==3.1.1",
+    "fastmcp==3.4.2",
     "sqlglot>=20.0.0",
     "sqlfluff>=3.0.0",
     "plutoprint==0.19.0",