diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 16d868f0..e1dbcf80 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -1,26 +1,28 @@
 Release History
 ===============
 
-dev
----
+4.1.0 (2021-10-05)
+------------------
 
 **Note:** The GitHub repository has been renamed to ``python-hyper/h2``, previously
-was ``python-hyper/hyper-h2``. **The name of the package on PyPI is unchanged**
+was ``python-hyper/hyper-h2``. **The name of the package on PyPI is unchanged!**
 
 API Changes (Backward-Compatible)
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
 - Support for Python 3.9 has been added.
-
-API Changes (Backward-Incompatible)
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-
--
+- Support for Python 3.10 has been added.
+- New example for a Python socket HTTP/2 client.
+- New `OutputLogger` for use with ``h2.config.logger``. This is only provided
+  for convenience and not part of the stable API.
 
 Bugfixes
 ~~~~~~~~
 
--
+- Header validation now rejects empty header names with a ProtocolError. While
+  hpack decodes such header blocks without issues, they violate the
+  HTTP semantics.
+- Fix TE header name in error message.
 
 
 4.0.0 (2020-09-19)
diff --git a/src/h2/__init__.py b/src/h2/__init__.py
index ce03b6f6..d3fd0cb6 100644
--- a/src/h2/__init__.py
+++ b/src/h2/__init__.py
@@ -5,4 +5,4 @@
 
 A HTTP/2 implementation.
 """
-__version__ = '4.1.0+dev'
+__version__ = '4.1.0'