diff --git a/.bumpversion.cfg b/.bumpversion.cfg
index d5568315..92636cd8 100644
--- a/.bumpversion.cfg
+++ b/.bumpversion.cfg
@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 0.21.2
+current_version = 0.21.3
 commit = True
 tag = True
 
diff --git a/HISTORY.rst b/HISTORY.rst
index 6e15388a..97a38e55 100644
--- a/HISTORY.rst
+++ b/HISTORY.rst
@@ -1,6 +1,7 @@
-Next release
-------------
-* 
+0.21.3 (2023-01-11)
+-------------------
+* Fix spelling of Python 3.5-specific requirements
+* Drop the future library
 
 0.21.2 (2022-10-07)
 -------------------
diff --git a/docs/conf.py b/docs/conf.py
index 12c68c70..9592a14d 100755
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -73,7 +73,7 @@
 # for |version| and |release|, also used in various other places throughout
 # the built documents.
 # The short X.Y version.
-version = '0.21.2'
+version = '0.21.3'
 # The full version, including alpha/beta/rc tags.
 release = version
 
diff --git a/setup.cfg b/setup.cfg
index 28dccdd7..32977d4b 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -14,7 +14,7 @@ filterwarnings = ignore
 
 [metadata]
 name = talisker
-version = 0.21.2
+version = 0.21.3
 description = A common WSGI stack
 long_description = file: README.rst
 author = Simon Davy
diff --git a/setup.py b/setup.py
index a4726ca2..846f9d14 100644
--- a/setup.py
+++ b/setup.py
@@ -62,9 +62,9 @@
 Python version support
 ----------------------
 
-This release of talisker (0.20.0) will be the last to support python 2.7
-Talisker version >0.20.2 will only support python 3.5, 3.6, 3.8  and 3.10 as they
-come with Ubuntu LTS releases.
+Talisker 0.20.0 was the last to support Python 2.7.
+Talisker version >=0.21.0 only supports Python 3.5, 3.6, 3.8 and 3.10, as
+they come with Ubuntu LTS releases.
 
 Quick Start
 -----------
@@ -210,6 +210,6 @@
     ],
     test_suite='tests',
     url='https://github.com/canonical-ols/talisker',
-    version='0.21.2',
+    version='0.21.3',
     zip_safe=False,
 )
diff --git a/talisker/__init__.py b/talisker/__init__.py
index 5d01b4c1..bebafbc3 100644
--- a/talisker/__init__.py
+++ b/talisker/__init__.py
@@ -42,7 +42,7 @@
     request_timeout,
 )
 
-__version__ = '0.21.2'
+__version__ = '0.21.3'
 __all__ = [
     'initialise',
     'get_config',