diff --git a/.changelog/unreleased/breaking-change/64-tendermint-proto-0.30.0.md b/.changelog/v0.27.0/breaking-change/64-tendermint-proto-0.30.0.md
similarity index 100%
rename from .changelog/unreleased/breaking-change/64-tendermint-proto-0.30.0.md
rename to .changelog/v0.27.0/breaking-change/64-tendermint-proto-0.30.0.md
diff --git a/.changelog/v0.27.0/summary.md b/.changelog/v0.27.0/summary.md
new file mode 100644
index 00000000..1c8c7580
--- /dev/null
+++ b/.changelog/v0.27.0/summary.md
@@ -0,0 +1,4 @@
+This release updates the `tendermint-proto` crate to v0.30.0.
+
+At the moment, only the Tendermint Protobuf definitions for CometBFT 0.37 are exported
+and supported. In the future, side-by-side support for 0.34 and 0.37 definitions may be provided.
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 618dee23..204ab688 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,18 @@
 # CHANGELOG
 
+## v0.27.0
+
+*March 7th, 2023*
+
+This release updates the `tendermint-proto` crate to v0.30.0.
+
+At the moment, only the Tendermint Protobuf definitions for CometBFT 0.37 are exported
+and supported. In the future, side-by-side support for 0.34 and 0.37 definitions may be provided.
+
+### BREAKING CHANGE
+
+- Update `tendermint-proto` to v0.30.0 ([#64](https://github.com/cosmos/ibc-proto-rs/issues/64))
+
 ## v0.26.0
 
 *February 17, 2023*
@@ -10,8 +23,8 @@ This release updates tendermint protobuf defintions to `v0.29.0`.
 
 *February 9th, 2023*
 
-This release updates borsh to v0.10.0 and fixes a typo in borsh deserialization of `Any` ([#59](https://github.com/cosmos/ibc-
-  proto-rs/pull/59)).
+This release updates borsh to v0.10.0 and fixes a typo in borsh deserialization of `Any`
+([#59](https://github.com/cosmos/ibc-proto-rs/pull/59)).
 
 ## v0.24.1
 
diff --git a/Cargo.toml b/Cargo.toml
index 322bb792..d86d23d5 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name         = "ibc-proto"
-version      = "0.26.0"
+version      = "0.27.0"
 authors      = ["Informal Systems <hello@informal.systems>"]
 edition      = "2021"
 license      = "Apache-2.0"