diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 31590624..823efbf1 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -1,8 +1,8 @@
 Changelog
 =========
 
-3.1 (master)
-------------
+3.1 (2019-05-16)
+----------------
 
 - Django 2.1 support and tests.
 - Django 2.2 support and tests.
diff --git a/setup.cfg b/setup.cfg
index 277f32b4..2cfde4f3 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -27,7 +27,7 @@ classifiers =
 packages = find:
 include_package_data = True
 zip_safe = False
-python_requires = '>=3.4'
+python_requires = >=3.4
 install_requires =
     # Essential packages
     six