diff --git a/requirements.txt b/requirements.txt
index c6e3d1c..0a7932b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,4 +5,5 @@ pydantic==2.12.5
 pywin32==311; sys_platform == 'win32'
 uvicorn==0.38.0
 wheel==0.45.1
+build==1.3.0
 -r ./lock.txt