diff --git a/requirements.txt b/requirements.txt
index e4f4790..888d8be 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
 pandas==0.25.1
 yfinance==0.1.45
 streamlit==0.48.1
-lxml==4.4.1
+lxml==4.9.1