diff --git a/.changelog/unreleased/bug-fixes/353-channel-open-confirm-fix.md b/.changelog/v0.27.0/bug-fixes/353-channel-open-confirm-fix.md
similarity index 100%
rename from .changelog/unreleased/bug-fixes/353-channel-open-confirm-fix.md
rename to .changelog/v0.27.0/bug-fixes/353-channel-open-confirm-fix.md
diff --git a/.changelog/v0.27.0/summary.md b/.changelog/v0.27.0/summary.md
new file mode 100644
index 000000000..6cf3eae35
--- /dev/null
+++ b/.changelog/v0.27.0/summary.md
@@ -0,0 +1,3 @@
+This release contains a bug fix for the `ChanOpenConfirm` handler and it is strongly recommended to upgrade.
+
+This release contains a consensus-breaking change during the channel opening handshake; it was broken, and now is fixed.
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
index fa9b9e3a8..4cfd9620f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,18 @@
 # CHANGELOG
 
+## v0.27.0
+
+*January 16, 2023*
+
+This release contains a bug fix for the `ChanOpenConfirm` handler and it is strongly recommended to upgrade.
+
+This release contains a consensus-breaking change during the channel opening handshake; it was broken, and now is fixed.
+
+### BUG FIXES
+
+- Fix ChanOpenConfirm handler check of counterparty state
+  ([#353](https://github.com/cosmos/ibc-rs/issues/353))
+
 ## v0.26.0
 
 *December 14, 2022*
diff --git a/crates/ibc/Cargo.toml b/crates/ibc/Cargo.toml
index 5c2689554..f70bf6a3b 100644
--- a/crates/ibc/Cargo.toml
+++ b/crates/ibc/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name         = "ibc"
-version      = "0.26.0"
+version      = "0.27.0"
 edition      = "2021"
 license      = "Apache-2.0"
 readme       = "README.md"
diff --git a/crates/ibc/src/lib.rs b/crates/ibc/src/lib.rs
index c45302485..b91bcef8f 100644
--- a/crates/ibc/src/lib.rs
+++ b/crates/ibc/src/lib.rs
@@ -13,7 +13,7 @@
 #![forbid(unsafe_code)]
 // https://github.com/cosmos/ibc-rs/issues/342
 #![allow(clippy::result_large_err)]
-#![doc(html_root_url = "https://docs.rs/ibc/0.26.0")]
+#![doc(html_root_url = "https://docs.rs/ibc/0.27.0")]
 //! This library implements the InterBlockchain Communication (IBC) protocol in Rust. IBC is
 //! a distributed protocol that enables communication between distinct sovereign blockchains.
 //! Loose analogies may be drawn between the IBC protocol and the TCP/UDP protocols that enable