diff --git a/my_sentiment_analysis/No_pretrained/requirements.txt b/my_sentiment_analysis/No_pretrained/requirements.txt
index 0e7e736..1179874 100644
--- a/my_sentiment_analysis/No_pretrained/requirements.txt
+++ b/my_sentiment_analysis/No_pretrained/requirements.txt
@@ -87,7 +87,7 @@ Keras-Applications==1.0.6
 Keras-Preprocessing==1.0.5
 kiwisolver==1.0.1
 lml==0.0.9
-lxml==4.3.0
+lxml==4.9.1
 Markdown==3.0.1
 MarkupSafe==1.1.0
 mathparse==0.1.2