diff --git a/dockstore-webservice/src/main/resources/requirements/1.7.0/requirements.txt b/dockstore-webservice/src/main/resources/requirements/1.7.0/requirements.txt
index c923fd76ad..fba2788a5e 100644
--- a/dockstore-webservice/src/main/resources/requirements/1.7.0/requirements.txt
+++ b/dockstore-webservice/src/main/resources/requirements/1.7.0/requirements.txt
@@ -11,7 +11,7 @@ humanfriendly==4.18
 idna==2.8
 isodate==0.6.0
 lockfile==0.12.2
-lxml==4.3.4
+lxml==4.9.1
 mistune==0.8.4
 monotonic==1.5
 mypy-extensions==0.4.1