diff --git a/.changelog/unreleased/improvements/1264-update-ibc-proto-and-tendermint-deps.md b/.changelog/unreleased/improvements/1264-update-ibc-proto-and-tendermint-deps.md
new file mode 100644
index 000000000..999a9ebd5
--- /dev/null
+++ b/.changelog/unreleased/improvements/1264-update-ibc-proto-and-tendermint-deps.md
@@ -0,0 +1,2 @@
+- Update `ibc-proto` to v0.46.0 and `tendermint` to v0.37.0.
+  ([\#1264](https://github.com/cosmos/ibc-rs/pull/1264))