diff --git a/requirements.txt b/requirements.txt
index 84ac4a6..a3bd3d0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -60,7 +60,7 @@ jsonpickle==1.3
 jsonpointer==2.0
 jsonschema==3.2.0
 locopy==0.3.6
-lxml==4.5.0
+lxml==4.6.2
 MarkupSafe==1.1.1
 mock==4.0.2
 more-itertools==8.2.0