diff --git a/requirements.txt b/requirements.txt
index 4056970..00cf363 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,7 +11,7 @@ h11==0.9.0
 httptools==0.1.1
 idna==2.10
 Jinja2==2.11.2
-lxml==4.5.2
+lxml==4.6.2
 MarkupSafe==1.1.1
 pycurl==7.43.0.1
 pydantic==1.6