diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 6880f453..fee5ba44 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -101,7 +101,7 @@ jobs:
 
       - name: Test
         run: |
-          SKIP_WASM_BUILD=1 cargo test
+          SKIP_WASM_BUILD=1 cargo test --locked
 
   try-runtime:
     runs-on:
diff --git a/runtime/laos/src/tests/metadata15.golden b/runtime/laos/src/tests/metadata15.golden
index 6c95b881..fd1d5ad4 100644
--- a/runtime/laos/src/tests/metadata15.golden
+++ b/runtime/laos/src/tests/metadata15.golden
@@ -37828,7 +37828,7 @@
                 0,
                 0,
                 0,
-                244,
+                245,
                 8,
                 0,
                 0,
diff --git a/xcm-simulator/src/tests/laosish_xcm.rs b/xcm-simulator/src/tests/laosish_xcm.rs
index fcdcee8c..620e3cdc 100644
--- a/xcm-simulator/src/tests/laosish_xcm.rs
+++ b/xcm-simulator/src/tests/laosish_xcm.rs
@@ -111,6 +111,34 @@ fn ump_transfer_balance() {
 	});
 }
 
+#[test]
+fn xcmp_remark_para_b() {
+	MockNet::reset();
+
+	let remark = parachain::RuntimeCall::System(
+		frame_system::Call::<parachain::Runtime>::remark_with_event { remark: vec![1, 2, 3] },
+	);
+
+	Laosish::execute_with(|| {
+		assert_ok!(LaosishPalletXcm::send_xcm(
+			Here,
+			(Parent, Parachain(PARA_B_ID)),
+			Xcm(vec![Transact {
+				origin_kind: OriginKind::SovereignAccount,
+				require_weight_at_most: Weight::from_parts(INITIAL_BALANCE as u64, 1024 * 1024),
+				call: remark.encode().into(),
+			}]),
+		));
+	});
+
+	ParaB::execute_with(|| {
+		assert!(parachain::System::events().iter().any(|r| matches!(
+			r.event,
+			parachain::RuntimeEvent::System(frame_system::Event::Remarked { .. })
+		)));
+	});
+}
+
 #[test]
 fn xcmp_create_foreign_asset_in_para_b() {
 	MockNet::reset();