From b349d0b6a646032f66174f0e9ff86e858096f84e Mon Sep 17 00:00:00 2001
From: Daniel D'Avella <ddavella@stsci.edu>
Date: Tue, 24 Oct 2017 14:21:05 -0400
Subject: [PATCH] Relax requirement on semantic_version version to 2.3.1

---
 CHANGES.rst | 2 ++
 setup.py    | 2 +-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/CHANGES.rst b/CHANGES.rst
index 086086038..666609303 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -1,6 +1,8 @@
 1.3.1 (Unreleased)
 ------------------
 
+- Relax requirement on ``semantic_version`` version to 2.3.1. [#361]
+
 1.3.0 (2017-10-24)
 ------------------
 
diff --git a/setup.py b/setup.py
index 584b3c7c2..d66d98882 100755
--- a/setup.py
+++ b/setup.py
@@ -120,7 +120,7 @@ def _null_validate(self):
       scripts=scripts,
       python_requires='>=2.7,!=3.0.*,!=3.1.*,!=3.2.*',
       install_requires=[
-          'semantic_version>=2.6.0',
+          'semantic_version>=2.3.1',
           'pyyaml>=3.10',
           'jsonschema>=2.3.0',
           'six>=1.9.0',