diff --git a/requirements_prod.txt b/requirements_prod.txt
index f649fba..f32a9c8 100644
--- a/requirements_prod.txt
+++ b/requirements_prod.txt
@@ -25,7 +25,7 @@ jmespath==0.9.3
 jsonschema==2.6.0
 kiwisolver==1.0.1
 locket==0.2.0
-lxml==4.2.4
+lxml==4.6.5
 MarkupSafe==1.0
 matplotlib==2.2.2
 nltk==3.3