diff --git a/Cargo.lock b/Cargo.lock
index 07b38c6138..11c411d781 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -9678,7 +9678,7 @@ dependencies = [
 
 [[package]]
 name = "substrate-relay"
-version = "1.7.2"
+version = "1.7.3"
 dependencies = [
  "anyhow",
  "async-std",
diff --git a/relay-clients/client-bridge-hub-polkadot/src/lib.rs b/relay-clients/client-bridge-hub-polkadot/src/lib.rs
index c629bfff7a..871f35a32c 100644
--- a/relay-clients/client-bridge-hub-polkadot/src/lib.rs
+++ b/relay-clients/client-bridge-hub-polkadot/src/lib.rs
@@ -143,5 +143,5 @@ impl ChainWithMessages for BridgeHubPolkadot {
 
 impl ChainWithRuntimeVersion for BridgeHubPolkadot {
 	const RUNTIME_VERSION: Option<SimpleRuntimeVersion> =
-		Some(SimpleRuntimeVersion { spec_version: 1_003_000, transaction_version: 4 });
+		Some(SimpleRuntimeVersion { spec_version: 1_003_003, transaction_version: 4 });
 }
diff --git a/substrate-relay/Cargo.toml b/substrate-relay/Cargo.toml
index 4e82d8bdfe..075511251c 100644
--- a/substrate-relay/Cargo.toml
+++ b/substrate-relay/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "substrate-relay"
-version = "1.7.2"
+version = "1.7.3"
 authors.workspace = true
 edition.workspace = true
 license = "GPL-3.0-or-later WITH Classpath-exception-2.0"