diff --git a/.changelog/unreleased/breaking-changes/227-tendermint-proto-0.39.md b/.changelog/unreleased/breaking-changes/227-tendermint-proto-0.39.md
new file mode 100644
index 00000000..1d81008f
--- /dev/null
+++ b/.changelog/unreleased/breaking-changes/227-tendermint-proto-0.39.md
@@ -0,0 +1 @@
+- Update `tendermint-proto` to v0.39 ([\#227](https://github.com/cosmos/ibc-proto-rs/pull/227))
diff --git a/Cargo.toml b/Cargo.toml
index f4dd3471..dcf01e09 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -48,7 +48,7 @@ scale-info         = { version = "2.1.2", default-features = false, features = [
 borsh = { version = "1", default-features = false, features = ["derive"], optional = true }
 
 [dependencies.tendermint-proto]
-version          = "0.38"
+version          = "0.39"
 default-features = false
 
 [dev-dependencies]