diff --git a/.changelog/unreleased/breaking-changes/973-update-meta.md b/.changelog/unreleased/breaking-changes/973-update-meta.md
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+- Merge client update time and height modification method pairs into
+  one, that is replace
+  a) client_update_{time,height} by client_update_meta,
+  b) store_update_{time,height} by store_update_meta and
+  c) delete_update_{time,height} by delete_update_meta.
+  ([#973](https://github.com/cosmos/ibc-rs/issues))