diff --git a/ozone-framework-python-server/requirements.txt b/ozone-framework-python-server/requirements.txt
index 74d3b911..9235a329 100644
--- a/ozone-framework-python-server/requirements.txt
+++ b/ozone-framework-python-server/requirements.txt
@@ -17,7 +17,7 @@ idna==2.8
 imagesize==1.1.0
 itypes==1.1.0
 Jinja2==2.10.1
-lxml==4.4.1
+lxml==4.6.3
 Markdown==3.1.1
 MarkupSafe==1.1.1
 openapi-codec==1.3.2
diff --git a/ozone-framework-python-server/requirements_prod.txt b/ozone-framework-python-server/requirements_prod.txt
index 48acb34d..c89e675f 100644
--- a/ozone-framework-python-server/requirements_prod.txt
+++ b/ozone-framework-python-server/requirements_prod.txt
@@ -18,7 +18,7 @@ idna==2.8
 imagesize==1.1.0
 itypes==1.1.0
 Jinja2==2.10.1
-lxml==4.4.1
+lxml==4.6.3
 Markdown==3.1.1
 MarkupSafe==1.1.1
 openapi-codec==1.3.2