diff --git a/docs/source/release-notes/3.1.0.rst b/docs/source/release-notes/3.1.0.rst
index b65cb74..0b81792 100644
--- a/docs/source/release-notes/3.1.0.rst
+++ b/docs/source/release-notes/3.1.0.rst
@@ -1,4 +1,4 @@
-3.1.0 -- 2016-yy-xx
+3.1.0 -- 2016-11-14
 -------------------
 
 You can view the `3.1.0 milestone`_ on GitLab for more details.
diff --git a/src/flake8/__init__.py b/src/flake8/__init__.py
index 1e539ef..d9ff771 100644
--- a/src/flake8/__init__.py
+++ b/src/flake8/__init__.py
@@ -27,7 +27,7 @@ LOG.addHandler(NullHandler())
 # Clean up after LOG config
 del NullHandler
 
-__version__ = '3.1.0.dev0'
+__version__ = '3.1.0'
 __version_info__ = tuple(int(i) for i in __version__.split('.') if i.isdigit())