diff --git a/requirements.txt b/requirements.txt
index 7f8336f8..cc213494 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-lxml >= 3.5.0, < 5
+lxml >= 4
 coveralls
 Jinja2
 signxml
diff --git a/setup.py b/setup.py
index 19f52c6a..cb1edd4b 100644
--- a/setup.py
+++ b/setup.py
@@ -2,7 +2,7 @@
 from setuptools import setup, find_packages
 
 
-VERSION = "1.0.61"
+VERSION = "1.0.62"
 
 
 setup(
@@ -55,7 +55,7 @@
         'Jinja2 >= 2.8',
         'pyOpenSSL >= 16.0.0, < 18',
         'signxml >= 2.4.0',
-        'lxml >= 3.5.0, < 5',
+        'lxml >= 4, < 5',
         'suds-jurko >= 0.6',
         'suds-jurko-requests >= 1.2',
         'reportlab',