diff --git a/requirements.txt b/requirements.txt
index 7c1ef4fd60a7f9094aaa60e442b36db495acb9f0..e0789baf119e507e5654a0c2938ef693016f6c5d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ gevent==1.4.0
 gunicorn==20.0.4
 futures
 fuzzywuzzy==0.18.0
-lxml==4.5.0
+lxml==4.5.2
 matplotlib==2.2.5
 numpy==1.19.1
 nltk==3.5