diff --git a/.github/workflows/check-dist.yml b/.github/workflows/check-dist.yml
new file mode 100644
index 0000000..a89180c
--- /dev/null
+++ b/.github/workflows/check-dist.yml
@@ -0,0 +1,45 @@
+name: check dist/
+
+on:
+   push:
+     branches:
+       - master
+     paths-ignore:
+       - '**.md'
+   pull_request:
+     paths-ignore:
+       - '**.md'
+   workflow_dispatch:
+
+jobs:
+  check-dist:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Setup Node.js 16.x
+        uses: actions/setup-node@v3
+        with:
+          node-version: 16.x
+          cache: npm
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Rebuild the dist/ directory
+        run: npm run prepare
+
+      - name: Compare the expected and actual dist/ directories
+        run: |
+          if [ "$(git diff --ignore-space-at-eol dist/ | wc -l)" -gt "0" ]; then
+            echo "Detected uncommitted changes after build. See status below:"
+            git diff
+            exit 1
+          fi
+        id: diff
+
+      - uses: actions/upload-artifact@v3
+        if: ${{ failure() && steps.diff.conclusion == 'failure' }}
+        with:
+          name: dist
+          path: dist/