diff --git a/.github/workflows/linuxjs-tests.yml b/.github/workflows/linuxjs-tests.yml
index 844cbe3d6aef..237a631682a5 100644
--- a/.github/workflows/linuxjs-tests.yml
+++ b/.github/workflows/linuxjs-tests.yml
@@ -71,6 +71,8 @@ jobs:
 
       - name: Base Setup
         uses: jupyterlab/maintainer-tools/.github/actions/base-setup@v1
+        with:
+          node_version: 24.x
 
       - name: Install dependencies
         env:
diff --git a/packages/docregistry/src/kernelfilestypes.ts b/packages/docregistry/src/kernelfilestypes.ts
index 1e0d0d3d81fe..16311b39f49c 100644
--- a/packages/docregistry/src/kernelfilestypes.ts
+++ b/packages/docregistry/src/kernelfilestypes.ts
@@ -1,3 +1,8 @@
+/*
+ * Copyright (c) Jupyter Development Team.
+ * Distributed under the terms of the Modified BSD License.
+ */
+
 import { KernelSpec } from '@jupyterlab/services';
 import { IRenderMime } from '@jupyterlab/rendermime-interfaces';
 
diff --git a/packages/settingeditor/test/toSkip.spec.ts b/packages/settingeditor/test/toSkip.spec.ts
index 53e23914560c..d91aabae529d 100644
--- a/packages/settingeditor/test/toSkip.spec.ts
+++ b/packages/settingeditor/test/toSkip.spec.ts
@@ -1,3 +1,8 @@
+/*
+ * Copyright (c) Jupyter Development Team.
+ * Distributed under the terms of the Modified BSD License.
+ */
+
 /**
  * Test file to verify the configurable toSkip functionality
  * This would be part of a proper test suite