diff --git a/.github/actionlint.yaml b/.github/actionlint.yaml
new file mode 100644
index 0000000000..8353a33480
--- /dev/null
+++ b/.github/actionlint.yaml
@@ -0,0 +1,6 @@
+# Ignore auto-generated compiled workflows (e.g. *.lock.yml); they are not
+# hand-authored and use keys actionlint does not recognise.
+paths:
+  "**/*.lock.yml":
+    ignore:
+      - ".*"
diff --git a/.github/workflows/actionlint.yml b/.github/workflows/actionlint.yml
new file mode 100644
index 0000000000..21382a48bf
--- /dev/null
+++ b/.github/workflows/actionlint.yml
@@ -0,0 +1,36 @@
+name: "actionlint"
+
+on:
+  pull_request:
+    branches:
+      - develop
+      - master
+      - develop-patch*
+      - master-patch*
+    paths:
+      - '.github/workflows/**'
+      - '.github/actions/**'
+      - '.github/actionlint.yaml'
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+permissions:
+  contents: read
+
+jobs:
+  actionlint:
+    name: "Lint GitHub Actions workflows"
+    runs-on: ubuntu-latest
+    timeout-minutes: 10
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
+      - name: Download actionlint
+        id: get_actionlint
+        run: bash <(curl -sSf https://raw.githubusercontent.com/rhysd/actionlint/v1.7.12/scripts/download-actionlint.bash) 1.7.12
+        shell: bash
+      - name: Run actionlint
+        run: ${{ steps.get_actionlint.outputs.executable }} -color
+        shell: bash