diff --git a/CHANGELOG.md b/CHANGELOG.md
index e0ee4e819ed33f21dd20a34e12788e98ed67eb0e..8c10a125360107b464dcf1743b216a387e4536f4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,12 +4,15 @@ 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).
 
-## [0.4.0] - Unreleased
+## [0.4.0] - 2022-08-08
 ### Added
 - Support for GlobRef definitions in a `pipeline.toml` file
   - Takes a `pattern` glob expression instead of an `input_path`
   - Takes a directory path as `output_dir` instead of a file path as `output_file`, and will construct the an `output_file` by appending the file name of a matched file to the output directory
 
+### Changed
+- All paths in pipelines are now relative to the pipeline configuration file, instead of the current directory
+
 ## [0.3.0] - 2022-07-08
 ### Added
 - Added `flip` command, for flipping an image along one or both axes.