diff --git a/relayer/Cargo.toml b/relayer/Cargo.toml
index 20c26ce4d6..fc4d2ba284 100644
--- a/relayer/Cargo.toml
+++ b/relayer/Cargo.toml
@@ -64,7 +64,7 @@ version = "=0.19.0"
 features = ["unstable"]
 
 [dependencies.tendermint-proto]
-version = "=0.19.0"
+version = "=0.27.0"
 
 [dev-dependencies]
 serial_test = "0.5.0"