diff --git a/requirements.txt b/requirements.txt
index a83f234..4e2506a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,4 +3,4 @@ pandas==1.0.3
 pdf2image==1.10.0
 opencv-contrib-python==3.4.5.20
 tqdm==4.45.0
-lxml==4.3.0
\ No newline at end of file
+lxml==4.6.3
\ No newline at end of file