diff --git a/CHANGELOG.md b/CHANGELOG.md
index a6f5fabdab..8c7ff7af96 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Changed
+- **Breaking change**: Moved `GPU.js` from `dependencies` to `devDependencies` and `optionalDependencies`. (#642)
+
 ### Added
 - Added two new fired events, for suspending and resuming execution. (#637)