diff --git a/requirements.txt b/requirements.txt
index cc60977..7004831 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,6 +4,6 @@ numpy==1.22.0
 pandas==1.3.5
 seaborn==0.11.2
 tabulate==0.8.9
-lxml==4.7.1
+lxml==4.9.1
 cssselect==1.1.0
 tqdm==4.62.3
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