diff --git a/requirements.txt b/requirements.txt
index 643ad2d..02097e9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ fasttext==0.8.22
 Flask==1.0.2
 idna==2.8
 itsdangerous==1.1.0
-lxml==4.6.2
+lxml==4.6.3
 MarkupSafe==1.1.0
 numpy==1.16.0
 pybind11==2.2.4