diff --git a/.github/dependabot.yml b/.github/dependabot.yml
new file mode 100644
index 0000000..253bcb7
--- /dev/null
+++ b/.github/dependabot.yml
@@ -0,0 +1,6 @@
+version: 2
+updates:
+  - package-ecosystem: github-actions
+    directory: /
+    schedule:
+      interval: daily
diff --git a/.github/workflows/dependency-review.yml b/.github/workflows/dependency-review.yml
new file mode 100644
index 0000000..fea1d11
--- /dev/null
+++ b/.github/workflows/dependency-review.yml
@@ -0,0 +1,22 @@
+# Dependency Review Action
+#
+# This Action will scan dependency manifest files that change as part of a Pull Request,
+# surfacing known-vulnerable versions of the packages declared or updated in the PR.
+# Once installed, if the workflow run is marked as required,
+# PRs introducing known-vulnerable packages will be blocked from merging.
+#
+# Source repository: https://github.com/actions/dependency-review-action
+name: 'Dependency Review'
+on: [pull_request]
+
+permissions:
+  contents: read
+
+jobs:
+  dependency-review:
+    runs-on: ubuntu-latest
+    steps:
+      - name: 'Checkout Repository'
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+      - name: 'Dependency Review'
+        uses: actions/dependency-review-action@3b139cfc5fae8b618d3eae3675e383bb1769c019 # v4.5.0
diff --git a/.github/workflows/issues-close-inactive.yml b/.github/workflows/issues-close-inactive.yml
index c35062f..c1cb463 100644
--- a/.github/workflows/issues-close-inactive.yml
+++ b/.github/workflows/issues-close-inactive.yml
@@ -6,8 +6,14 @@ on:
   schedule:
     - cron: "0 6 * * *"
 
+permissions:
+  contents: read
+
 jobs:
   close-inactive-issues:
+    permissions:
+      issues: write  # for actions-cool/issues-helper to update issues
+      pull-requests: write  # for actions-cool/issues-helper to update PRs
     runs-on: ubuntu-latest
     steps:
       - name: close-issues
diff --git a/.github/workflows/issues-find-inactive.yml b/.github/workflows/issues-find-inactive.yml
index 685f5ee..94ecddf 100644
--- a/.github/workflows/issues-find-inactive.yml
+++ b/.github/workflows/issues-find-inactive.yml
@@ -6,8 +6,14 @@ on:
   schedule:
     - cron: "0 5 * * *"
 
+permissions:
+  contents: read
+
 jobs:
   check-inactive:
+    permissions:
+      issues: write  # for actions-cool/issues-helper to update issues
+      pull-requests: write  # for actions-cool/issues-helper to update PRs
     runs-on: ubuntu-latest
     steps:
       - name: check-inactive
diff --git a/.github/workflows/issues-notify-inactive.yml b/.github/workflows/issues-notify-inactive.yml
index 2fe8a06..79ecb71 100644
--- a/.github/workflows/issues-notify-inactive.yml
+++ b/.github/workflows/issues-notify-inactive.yml
@@ -6,8 +6,14 @@ on:
   issues:
     types: [labeled]
 
+permissions:
+  contents: read
+
 jobs:
   issue-labeled:
+    permissions:
+      issues: write  # for actions-cool/issues-helper to update issues
+      pull-requests: write  # for actions-cool/issues-helper to update PRs
     runs-on: ubuntu-latest
     steps:
       - name: Create comment
diff --git a/.github/workflows/issues-remove-inactive.yml b/.github/workflows/issues-remove-inactive.yml
index e882e77..1643fc3 100644
--- a/.github/workflows/issues-remove-inactive.yml
+++ b/.github/workflows/issues-remove-inactive.yml
@@ -8,8 +8,14 @@ on:
   issue_comment:
     types: [created, edited]
 
+permissions:
+  contents: read
+
 jobs:
   remove-inactive:
+    permissions:
+      issues: write  # for actions-cool/issues-helper to update issues
+      pull-requests: write  # for actions-cool/issues-helper to update PRs
     runs-on: ubuntu-latest
     steps:
       - name: remove inactive
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
new file mode 100644
index 0000000..cba0860
--- /dev/null
+++ b/.pre-commit-config.yaml
@@ -0,0 +1,10 @@
+repos:
+- repo: https://github.com/gitleaks/gitleaks
+  rev: v8.16.3
+  hooks:
+  - id: gitleaks
+- repo: https://github.com/pre-commit/pre-commit-hooks
+  rev: v4.4.0
+  hooks:
+  - id: end-of-file-fixer
+  - id: trailing-whitespace