diff --git a/requirements.txt b/requirements.txt
index c1f01f3..a3c7366 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
 cssselect==1.0.1
-lxml==4.1.1
+lxml==4.9.1
 reppy==0.4.12
 requests==2.21