From ada4761a11c08bdeea4dbe6c49a598911becb597 Mon Sep 17 00:00:00 2001
From: mrmtsu <81202muramatsu@gmail.com>
Date: Sun, 26 Apr 2026 15:54:26 +0900
Subject: [PATCH] chore: harden dependency update workflow

---
 .github/dependabot.yml                  |  2 ++
 .github/workflows/dependency-review.yml | 20 ++++++++++++++++++++
 2 files changed, 22 insertions(+)
 create mode 100644 .github/workflows/dependency-review.yml

diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index c48a1a5..8d77895 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -6,6 +6,8 @@ updates:
       interval: "weekly"
       day: "monday"
       time: "09:00"
+    cooldown:
+      default-days: 7
     target-branch: "main"
     open-pull-requests-limit: 10
     commit-message:
diff --git a/.github/workflows/dependency-review.yml b/.github/workflows/dependency-review.yml
new file mode 100644
index 0000000..5a6b735
--- /dev/null
+++ b/.github/workflows/dependency-review.yml
@@ -0,0 +1,20 @@
+name: dependency-review
+
+on:
+  pull_request:
+
+permissions:
+  contents: read
+
+jobs:
+  dependency-review:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        with:
+          persist-credentials: false
+      - uses: actions/dependency-review-action@2031cfc080254a8a887f58cffee85186f0e49e48 # v4.9.0
+        with:
+          fail-on-severity: moderate
+          fail-on-scopes: runtime,development,unknown