diff --git a/Cargo.toml b/Cargo.toml
index 7889acc97..3046125bd 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -38,6 +38,7 @@ frame-system-benchmarking = { git = "https://github.com/paritytech/polkadot-sdk.
 frame-system-rpc-runtime-api = { git = "https://github.com/paritytech/polkadot-sdk.git", rev = "a64eb1fb02d4012948cba024fca2f27d94732e52", default-features = false }
 frame-try-runtime = { git = "https://github.com/paritytech/polkadot-sdk.git", rev = "a64eb1fb02d4012948cba024fca2f27d94732e52", default-features = false }
 polkadot-sdk-frame = { git = "https://github.com/paritytech/polkadot-sdk.git", rev = "a64eb1fb02d4012948cba024fca2f27d94732e52", default-features = false }
+frame-metadata-hash-extension = { git = "https://github.com/paritytech/polkadot-sdk.git", rev = "a64eb1fb02d4012948cba024fca2f27d94732e52", default-features = false }
 
 sc-basic-authorship = { git = "https://github.com/paritytech/polkadot-sdk.git", rev = "a64eb1fb02d4012948cba024fca2f27d94732e52" }
 sc-cli = { git = "https://github.com/paritytech/polkadot-sdk.git", rev = "a64eb1fb02d4012948cba024fca2f27d94732e52" }
diff --git a/runtimes/bulletin-polkadot/Cargo.toml b/runtimes/bulletin-polkadot/Cargo.toml
index 43e7065cc..afa33bb4c 100644
--- a/runtimes/bulletin-polkadot/Cargo.toml
+++ b/runtimes/bulletin-polkadot/Cargo.toml
@@ -20,6 +20,7 @@ frame-executive = { workspace = true }
 frame-support = { workspace = true }
 frame-system = { workspace = true }
 frame-try-runtime = { workspace = true, optional = true }
+frame-metadata-hash-extension = { workspace = true }
 pallet-authorship = { workspace = true }
 pallet-babe = { workspace = true }
 pallet-grandpa = { workspace = true }
@@ -235,3 +236,7 @@ try-runtime = [
 	"parachains-common?/try-runtime",
 	"sp-runtime/try-runtime",
 ]
+
+
+# Enable the metadata hash generation in the wasm builder.
+metadata-hash = ["substrate-wasm-builder/metadata-hash"]
diff --git a/runtimes/bulletin-polkadot/build.rs b/runtimes/bulletin-polkadot/build.rs
index bb05afe02..03b01d79d 100644
--- a/runtimes/bulletin-polkadot/build.rs
+++ b/runtimes/bulletin-polkadot/build.rs
@@ -1,4 +1,11 @@
-#[cfg(feature = "std")]
+#[cfg(all(feature = "std", feature = "metadata-hash"))]
+fn main() {
+	substrate_wasm_builder::WasmBuilder::init_with_defaults()
+		.enable_metadata_hash("", 0)
+		.build();
+}
+
+#[cfg(all(feature = "std", not(feature = "metadata-hash")))]
 fn main() {
 	substrate_wasm_builder::WasmBuilder::build_using_defaults();
 }
diff --git a/runtimes/bulletin-polkadot/src/lib.rs b/runtimes/bulletin-polkadot/src/lib.rs
index f686e0af6..11ade7b7b 100644
--- a/runtimes/bulletin-polkadot/src/lib.rs
+++ b/runtimes/bulletin-polkadot/src/lib.rs
@@ -600,6 +600,21 @@ generate_bridge_reject_obsolete_headers_and_messages! {
 }
 
 /// The SignedExtension to the basic transaction logic.
+#[cfg(all(feature = "std", feature = "metadata-hash"))]
+pub type TxExtension = (
+	frame_system::CheckNonZeroSender<Runtime>,
+	frame_system::CheckSpecVersion<Runtime>,
+	frame_system::CheckTxVersion<Runtime>,
+	frame_system::CheckGenesis<Runtime>,
+	frame_system::CheckEra<Runtime>,
+	frame_system::CheckNonce<Runtime>,
+	frame_system::CheckWeight<Runtime>,
+	ValidateSigned,
+	BridgeRejectObsoleteHeadersAndMessages,
+	frame_metadata_hash_extension::CheckMetadataHash<Runtime>,
+);
+
+#[cfg(not(all(feature = "std", feature = "metadata-hash")))]
 pub type TxExtension = (
 	frame_system::CheckNonZeroSender<Runtime>,
 	frame_system::CheckSpecVersion<Runtime>,
diff --git a/runtimes/bulletin-polkadot/tests/tests.rs b/runtimes/bulletin-polkadot/tests/tests.rs
index 1736cd657..69f8e17df 100644
--- a/runtimes/bulletin-polkadot/tests/tests.rs
+++ b/runtimes/bulletin-polkadot/tests/tests.rs
@@ -49,13 +49,13 @@ fn construct_extrinsic(
 		frame_system::CheckEra::<Runtime>::from(Era::immortal()),
 		frame_system::CheckNonce::<Runtime>::from(
 			frame_system::Pallet::<Runtime>::account(&account_id).nonce,
-		)
-		.into(),
+		),
 		frame_system::CheckWeight::<Runtime>::new(),
 		runtime::ValidateSigned,
 		runtime::BridgeRejectObsoleteHeadersAndMessages,
-	)
-		.into();
+#[cfg(all(feature = "std", feature = "metadata-hash"))]
+		frame_metadata_hash_extension::CheckMetadataHash::<Runtime>::new(true),
+	);
 	let payload = SignedPayload::new(call.clone(), tx_ext.clone())?;
 	let signature = payload.using_encoded(|e| sender.sign(e));
 	Ok(UncheckedExtrinsic::new_signed(