diff --git a/requirements.txt b/requirements.txt
index 021aae8..3124a43 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,7 +8,7 @@ chardet==3.0.4
 idna==2.9
 importlib-metadata==1.5.0
 kombu==4.6.8
-lxml==4.5.0
+lxml==4.9.1
 numpy==1.18.3
 pandas==1.0.3
 pika==1.1.0