diff --git a/CHANGELOG.md b/CHANGELOG.md
index e92e473b5..a94f6f103 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,7 +5,8 @@ Nublado is versioned with [semver](https://semver.org/). Dependencies are update
 Find changes for the upcoming release in the project's [changelog.d directory](https://github.com/lsst-sqre/nublado/tree/main/changelog.d/).
 
 <!-- scriv-insert-here -->
-## 4.0.0 (unreleased)
+
+## 4.0.0 (2024-01-02)
 
 This is the first release of the new merged Nublado release. It contains the Nubaldo controller, a JupyterHub spawner implementation that uses the controller to create user labs, a JupyterHub authenticator implementation to use [Gafaelfawr](https://gafaelfawr.lsst.io/), and the Docker configuration to build a custom JupyterHub image containing that spawner and authenticator.
 
diff --git a/LICENSE b/LICENSE
index 1152a5eeb..490e57397 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,6 +1,6 @@
 The MIT License (MIT)
 
-Copyright (c) 2022-2023 Association of Universities for Research in Astronomy, Inc. (AURA)
+Copyright (c) 2022-2024 Association of Universities for Research in Astronomy, Inc. (AURA)
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal