diff --git a/fission.egg-info/requires.txt b/fission.egg-info/requires.txt
index b6b1ea8..c6dda4f 100644
--- a/fission.egg-info/requires.txt
+++ b/fission.egg-info/requires.txt
@@ -1,4 +1,4 @@
 dispy>=4.12
-lxml==4.4.2
+lxml==4.6.3
 pycos>=4.8.13
 graphviz==0.13.2
diff --git a/setup.py b/setup.py
index 24a33bb..b4beadb 100644
--- a/setup.py
+++ b/setup.py
@@ -22,7 +22,7 @@
         setuptools.find_packages(include=["fission.*"]),
     install_requires=[
         'dispy>=4.12',
-        'lxml==4.4.2',
+        'lxml==4.6.3',
         'pycos>=4.8.13',
         'graphviz==0.13.2',
     ]