diff --git a/.github/workflows/package.yml b/.github/workflows/package.yml
new file mode 100644
index 0000000..c5cd396
--- /dev/null
+++ b/.github/workflows/package.yml
@@ -0,0 +1,30 @@
+# Copyright 2021 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+name: Package
+on:
+  - push
+  - pull_request
+jobs:
+  package:
+    runs-on: ubuntu-latest   
+    steps:
+      - uses: actions/checkout@v2
+      - run: npm i
+      - uses: jpoehnelt/verify-npm-files-action@main
+        with:
+          keys: |
+            types
+            main
+            module