diff --git a/docs/whats-new.md b/docs/whats-new.md
index eb653ecbc..92b43cf67 100644
--- a/docs/whats-new.md
+++ b/docs/whats-new.md
@@ -1,6 +1,7 @@
 ## UNRELEASED
 
 ### Feat
+- added reset of Copernicus Marine Toolbox with `dfmt.download.copernicusmarine_reset()` by [@veenstrajelmer](https://github.com/veenstrajelmer) in [#685](https://github.com/Deltares/dfm_tools/pull/685)
 - automatically parse epsg from FM mapfile to crs in `dfmt.open_partitioned_dataset()` by [@veenstrajelmer](https://github.com/veenstrajelmer) in [#685](https://github.com/Deltares/dfm_tools/pull/685)
 - added spatial/temporal subsetting and retrieving of insitu observation data with `dfmt.ssh_catalog_subset()` and `dfmt.ssh_retrieve_data()` by [@veenstrajelmer](https://github.com/veenstrajelmer) in [#711](https://github.com/Deltares/dfm_tools/pull/711)