diff --git a/requirements.txt b/requirements.txt
index d5fb86b..744ee8c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -41,7 +41,7 @@ PyMuPDF>=1.27.2.3
 # Data Collection
 requests>=2.34.2
 beautifulsoup4>=4.14.3
-lxml>=4.9.0
+lxml>=6.1.0
 
 # Utilities
 tqdm>=4.66.0