diff --git a/requirements.txt b/requirements.txt
index d77ae27..eb782e2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -18,7 +18,7 @@ idna==2.10
     # via requests
 iniconfig==1.1.1
     # via pytest
-lxml==4.6.3
+lxml==4.9.1
     # via -r requirements.in
 packaging==20.4
     # via pytest