diff --git a/CHANGELOG.md b/CHANGELOG.md
index a9a43be27..5cf864052 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -36,7 +36,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - **BREAKING**: Renamed parameter `model_client` on `GooglePromptDriver` to `client`.
 - **BREAKING**: Renamed parameter `model_client` on `GoogleTokenizer` to `client`.
 - **BREAKING**: Renamed parameter `pipe` on `HuggingFacePipelinePromptDriver` to `text_generation_pipeline`.
-- Updated `JsonArtifact` value converter to properly handle more types. 
+- **BREAKING**: Renamed parameter `engine` on `PgVectorVectorStoreDriver` to `sqlalchemy_engine`.
+- Updated `JsonArtifact` value converter to properly handle more types.
 - `AudioArtifact` now subclasses `BlobArtifact` instead of `MediaArtifact`.
 - `ImageArtifact` now subclasses `BlobArtifact` instead of `MediaArtifact`.
 - Removed `__add__` method from `BaseArtifact`, implemented it where necessary.