diff --git a/requirements/common.txt b/requirements/common.txt
index e983a56b7..286fe8d61 100644
--- a/requirements/common.txt
+++ b/requirements/common.txt
@@ -42,7 +42,7 @@ Jinja2>=3.0
 jinja2-time==0.2.0
 keepalive==0.5
 kombu==4.6.4
-lxml==4.3.4
+lxml==4.6.5
 Markdown==3.1.1
 nltk==3.4.5
 nose==1.3.7