diff --git a/CHANGELOG.md b/CHANGELOG.md
index 652b995a..eb9dd5ee 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,7 +1,8 @@
 # Changelog
 
-## [3.x - Unreleased] - 2022-xx-xx
+## [3.x - Unreleased] - 2023-xx-xx
 
+## [3.11.0] - 2023-02-04
 ### Changed
 - Calling `json_encode()` on a `PackedBox` or `PackedItem` now additionally serialises the entire underlying
   `Box`/`Item` where those objects also implement `JsonSerializable`. Previously the serialisation only included the
@@ -492,8 +493,9 @@ Initial release
  - Experimental code to get a feel for how calculations can best be implemented
  - Only works if all items fit into a single box (so not production ready at all)
 
-[3.x - Unreleased]: https://github.com/dvdoug/BoxPacker/compare/3.10.0...3.x
+[3.x - Unreleased]: https://github.com/dvdoug/BoxPacker/compare/3.11.0...3.x
 
+[3.11.0]: https://github.com/dvdoug/BoxPacker/compare/3.10.0...3.11.0
 [3.10.0]: https://github.com/dvdoug/BoxPacker/compare/3.9.4...3.10.0
 [3.9.4]: https://github.com/dvdoug/BoxPacker/compare/3.9.3...3.9.4
 [3.9.3]: https://github.com/dvdoug/BoxPacker/compare/3.9.2...3.9.3
diff --git a/docs/conf.py b/docs/conf.py
index 8faf1ac9..8f43f5c8 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -46,7 +46,7 @@
 
 # General information about the project.
 project = u'BoxPacker'
-copyright = u'2012-2021, Doug Wright'
+copyright = u'2012-2023, Doug Wright'
 author = u'Doug Wright'
 
 # The version info for the project you're documenting, acts as replacement for
diff --git a/license.txt b/license.txt
index 3f726a24..e43ec5e2 100644
--- a/license.txt
+++ b/license.txt
@@ -1,4 +1,4 @@
-Copyright (C) 2012-2022 Doug Wright
+Copyright (C) 2012-2023 Doug Wright
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal