diff --git a/api/requirements.txt b/api/requirements.txt
index 2d6248e..3fced91 100644
--- a/api/requirements.txt
+++ b/api/requirements.txt
@@ -15,7 +15,7 @@ gunicorn==20.0.4
 idna==2.8
 itsdangerous==1.1.0
 Jinja2==2.10.3
-lxml==4.4.2
+lxml==4.6.5
 MarkupSafe==1.1.1
 pycparser==2.19
 pyparsing==2.4.5