diff --git a/requirements.txt b/requirements.txt
index baebd9a..ad243d7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,3 @@
-lxml>=4.0.0,<5.0.0
-requests>=2.7.0,<3.0.0
-six>=1.10,<2.0
+lxml>=4.0.0
+requests>=2.7.0
+six>=1.10
diff --git a/setup.cfg b/setup.cfg
index 0538a08..a5d34ee 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -7,7 +7,7 @@ description-file = README.rst
 home-page = https://github.com/nexB/pymaven
 license = Apache-2
 license_file = LICENSE
-version=0.3.0
+version=0.3.1
 
 [files]
 packages =