diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0346aec..56f0c39 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,7 +5,7 @@ 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).
 
-## [v0.12.1] - UNRELEASED
+## [v0.12.1] - 2024-04-03
 
 ### Minor breaking change
 
@@ -14,6 +14,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
   - Starting from this version, levels `silent` and `off` will cause an error. 
   - The only supported log levels are `debug`, `info`, `warn`, `error`. The default level, `info`, is recommended for normal operation.
 
+### Fixed
+
+- Properly encode space characters in build links for instanced pipelines.
+
 ### Changed
 
 - Update to Go 1.22