diff --git a/.github/workflows/deadlink.yml b/.github/workflows/deadlink.yml
new file mode 100644
index 00000000..61a71804
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+++ b/.github/workflows/deadlink.yml
@@ -0,0 +1,22 @@
+name: dead link check
+
+on:
+  pull_request:
+  schedule:
+    - cron: '0 18 * * *'  # TimeZone: UTC 0
+
+jobs:
+  dead-link:
+    runs-on: ubuntu-latest
+    timeout-minutes: 30
+    steps:
+      - uses: actions/checkout@v2
+      - run: sudo npm install -g markdown-link-check@3.11.2
+      - run: sudo apt install plocate -y
+      # NOTE: Change command from `find . -name "*.md"` to `find . -not -path "*/node_modules/*" -not -path "*/.tox/*" -name "*.md"`
+      # if you want to run check locally
+      - run: |
+          for file in $(locate "$PWD*/*.md" | grep -v ./deploy/terraform/aws/README.md); do
+            markdown-link-check -c .dlc.json -q "$file" &
+          done
+          wait
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