diff --git a/requirements.txt b/requirements.txt
index e3af568..e76e1f8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ numpy>=1.24.0
 openai>=1.0.0
 
 # For MCP server
-mcp>=1.0.0
+mcp>=1.27.1
 
 # For web interface (optional)
 flask>=2.0.0