diff --git a/requirements.txt b/requirements.txt
index 6fe11c4..07f0178 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -31,7 +31,7 @@ idna==2.8
 ipython==7.8.0
 ipython-genutils==0.2.0
 jedi==0.15.1
-lxml==4.4.1
+lxml==4.6.5
 mccabe==0.6.1
 mock==3.0.5
 oauthlib==3.1.0