diff --git a/requirements.txt b/requirements.txt
index dad4760..6e9881e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ bluelens-spawning-pool==1.0.10
 bottlenose==1.1.8
 bs4==0.0.1
 certifi==2018.1.18
-lxml==4.1.1
+lxml==4.9.1
 pymongo==3.6.1
 python-dateutil==2.6.1
 redis==2.10.6