diff --git a/McpStudy.McpServerStdio/Program.cs b/McpStudy.McpServerStdio/Program.cs
index 3829a19..cfeea38 100644
--- a/McpStudy.McpServerStdio/Program.cs
+++ b/McpStudy.McpServerStdio/Program.cs
@@ -6,7 +6,7 @@ using Microsoft.Extensions.DependencyInjection;
 
 using ModelContextProtocol.Server;
 
-namespace McpStudy.McpServerStdIO
+namespace McpStudy.McpServerStdio
 {
     internal class Program
     {