diff --git a/requirements.txt b/requirements.txt
index f4f0477..7ad15c8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-mcp[client,server]==1.20.0
+mcp[client,server]==1.21.0
 fastapi==0.120.4
 uvicorn==0.38.0
 python-dotenv==1.2.1