diff --git a/CHANGELOG.md b/CHANGELOG.md
index eda225cc2e280c7ca326fe563ef94c0122684eda..7844075f1d7cd745b96e004c7f72dfcf98b6e8a4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -28,6 +28,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Crawler documentation
 - Proof-of-concept integration with Bloxberg.
 - Introduce a cfood that can create a Record structure based on the contents of a hdf5 file
+  h5py is now an optional dependency
 
 ### Changed ###