diff --git a/Cargo.lock b/Cargo.lock
index 534a51ab3e..845d666a0d 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -9762,7 +9762,7 @@ dependencies = [
 
 [[package]]
 name = "substrate-relay"
-version = "1.6.6"
+version = "1.6.7"
 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 0f4d2eb57e..dc47dc5a7e 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_002_005, transaction_version: 4 });
+		Some(SimpleRuntimeVersion { spec_version: 1_002_008, transaction_version: 4 });
 }
diff --git a/substrate-relay/Cargo.toml b/substrate-relay/Cargo.toml
index 581477ce8f..4cf28c6970 100644
--- a/substrate-relay/Cargo.toml
+++ b/substrate-relay/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "substrate-relay"
-version = "1.6.6"
+version = "1.6.7"
 authors.workspace = true
 edition.workspace = true
 license = "GPL-3.0-or-later WITH Classpath-exception-2.0"