diff --git a/Cargo.toml b/Cargo.toml
index e4db5534..c338e700 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name         = "ibc-proto"
-version      = "0.38.0"
+version      = "0.39.0"
 authors      = ["Informal Systems <hello@informal.systems>"]
 edition      = "2021"
 license      = "Apache-2.0"