diff --git a/Bixi/requirements.txt b/Bixi/requirements.txt
index 8bd0e5d..ed54007 100644
--- a/Bixi/requirements.txt
+++ b/Bixi/requirements.txt
@@ -31,7 +31,7 @@ Jinja2==2.10.1
 jsonschema==3.1.1
 jupyter-core==4.6.1
 kiwisolver==1.0.1
-lxml==4.2.5
+lxml==4.6.5
 MarkupSafe==1.0
 more-itertools==7.2.0
 msgpack-python==0.5.6