diff --git a/requirements.txt b/requirements.txt
index 76d1e87..2268d90 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ pandas==1.3.4
 PyQt5==5.15.5
 matplotlib==3.4.3
 requests==2.26.0
-lxml==4.6.5
+lxml==4.9.1
 yfinance==0.1.64
 DateTime==4.3
 tweepy==4.5.0
\ No newline at end of file