diff --git a/spark/images/base/requirements.txt b/spark/images/base/requirements.txt
index 19a71a6..e62ebe2 100644
--- a/spark/images/base/requirements.txt
+++ b/spark/images/base/requirements.txt
@@ -9,7 +9,7 @@ fsspec==0.6.0
 isort==4.3.21
 jmespath==0.9.4
 lazy-object-proxy==1.4.3
-lxml==4.4.0
+lxml==4.9.1
 mccabe==0.6.1
 numpy==1.16.2
 pandas==0.23.4