diff --git a/pyproject.toml b/pyproject.toml
index c7ed29a..5fa9dc1 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -6,7 +6,7 @@ readme = "README.md"
 requires-python = "==3.12.10"
 dependencies = [
     "fastapi==0.119.1",
-    "uvicorn==0.38.0",
+    "uvicorn==0.40.0",
     "fastapi-mcp==0.4.0",
     "mcp==1.18.0",
     "pyspark==3.5.6",