diff --git a/requirements.txt b/requirements.txt
index 95eff95..c4d1b7c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,4 @@
 python-docx==1.2.0
+lxml==6.1.3
 flask==3.1.3
 pypdf==6.19.0