diff --git a/CHANGELOG.md b/CHANGELOG.md
index a914d7b..ff95cab 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,7 +4,7 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## [v4.6.0] - unreleased
+## [v4.5.0] - 2024-01-19
 ### Changed
 - Answer hashes are now the first 4 characters of the hex-encoded SHA1 digest
 - Reworked the built-in theme
@@ -15,8 +15,6 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - [moth.mjs](theme/moth.mjs) is now the standard MOTH library for ECMAScript
 - Exported state now includes "Enabled" boolean
 - New `Extra` field on puzzles will allow arbitrary metadata on puzzles.
-  PNNL's SCTR Osprey will use this to standardize fields for their custom theme,
-  but it can be generally used for anything.
 
 ## [v4.4.11] - 2023-04-11
 ### Changed