diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index 5cd48469d4262..d1e08e6a814d5 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -132,8 +132,13 @@ jobs:
         with:
           command: fmt
           args: --all -- --check
-      - name: license-check
-        run: scripts/license_check.sh
+
+  license-check:
+    name: license-check
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - run: scripts/license_check.sh
 
   cargo-deny:
     name: cargo-deny (advisories, licenses, bans, ...)
diff --git a/explorer/client/src/setupTests.ts b/explorer/client/src/setupTests.ts
index 7b0828bfa80fb..46cce855c60b8 100644
--- a/explorer/client/src/setupTests.ts
+++ b/explorer/client/src/setupTests.ts
@@ -1 +1,4 @@
+// Copyright (c) 2022, Mysten Labs, Inc.
+// SPDX-License-Identifier: Apache-2.0
+
 import '@testing-library/jest-dom';
diff --git a/explorer/client/src/utils/reportWebVitals.ts b/explorer/client/src/utils/reportWebVitals.ts
index f85dcae62803f..1802749f29bf9 100644
--- a/explorer/client/src/utils/reportWebVitals.ts
+++ b/explorer/client/src/utils/reportWebVitals.ts
@@ -1,3 +1,6 @@
+// Copyright (c) 2022, Mysten Labs, Inc.
+// SPDX-License-Identifier: Apache-2.0
+
 import type { ReportHandler } from 'web-vitals';
 
 enum ReportMethod {