diff --git a/requirements.txt b/requirements.txt
index b63e8bd..b8d2646 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,3 +8,4 @@ httpx>=0.27
 openpyxl>=3.1
 pandas>=2.2
 pydantic>=2.6
+xlrd>=2.0.1