diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index 58d68276..1a5cdb30 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -10,6 +10,8 @@ updates:
           - "*"  # Group all Actions updates into a single larger pull request
     schedule:
       interval: weekly
+    cooldown:
+      default-days: 7
   - package-ecosystem: "pip"
     directory: "/"
     groups:
@@ -18,3 +20,5 @@ updates:
           - "*"  # Group all pip updates into a single larger pull request
     schedule:
       interval: weekly
+    cooldown:
+      default-days: 7
diff --git a/.github/workflows/node-gyp.yml b/.github/workflows/node-gyp.yml
index 29c41d2f..56cb6dfd 100644
--- a/.github/workflows/node-gyp.yml
+++ b/.github/workflows/node-gyp.yml
@@ -29,18 +29,20 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: Clone gyp-next
-        uses: actions/checkout@v7
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           path: gyp-next
+          persist-credentials: false
       - name: Clone nodejs/node-gyp
-        uses: actions/checkout@v7
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           repository: nodejs/node-gyp
           path: node-gyp
-      - uses: actions/setup-node@v7
+          persist-credentials: false
+      - uses: actions/setup-node@820762786026740c76f36085b0efc47a31fe5020 # v7.0.0
         with:
           node-version: "lts/*"
-      - uses: actions/setup-python@v7
+      - uses: actions/setup-python@5fda3b95a4ea91299a34e894583c3862153e4b97 # v7.0.0
         with:
           python-version: ${{ matrix.python-version }}
           allow-prereleases: true
diff --git a/.github/workflows/nodejs.yml b/.github/workflows/nodejs.yml
index 113707e3..35ce0778 100644
--- a/.github/workflows/nodejs.yml
+++ b/.github/workflows/nodejs.yml
@@ -3,7 +3,7 @@ on:
   push:
   pull_request:
   workflow_dispatch:
-
+permissions: {}
 jobs:
   nodejs-integration:
     strategy:
@@ -24,15 +24,17 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: Clone gyp-next
-        uses: actions/checkout@v7
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           path: gyp-next
+          persist-credentials: false
       - name: Clone nodejs/node
-        uses: actions/checkout@v7
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           repository: nodejs/node
           path: node
-      - uses: actions/setup-python@v7
+          persist-credentials: false
+      - uses: actions/setup-python@5fda3b95a4ea91299a34e894583c3862153e4b97 # v7.0.0
         with:
           python-version: ${{ matrix.python-version }}
           allow-prereleases: true
diff --git a/.github/workflows/python_tests.yml b/.github/workflows/python_tests.yml
index 27296e7a..66555a5b 100644
--- a/.github/workflows/python_tests.yml
+++ b/.github/workflows/python_tests.yml
@@ -5,16 +5,18 @@ on:
   push:
   pull_request:
   workflow_dispatch:
-
+permissions: {}
 jobs:
   Python_lint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v7
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
+        with:
+          persist-credentials: false
       - name: Lint with ruff  # See pyproject.toml for settings
-        uses: astral-sh/ruff-action@v4.1.0
+        uses: astral-sh/ruff-action@278981a28ce3188b1e39527901f38254bf3aac89 # v4.1.0
       - run: ruff format --check --diff
-      - uses: wagoid/commitlint-github-action@v6
+      - uses: wagoid/commitlint-github-action@b948419dd99f3fd78a6548d48f94e3df7f6bf3ed # v6.2.1
 
   Python_tests:
     runs-on: ${{ matrix.os }}
@@ -33,13 +35,15 @@ jobs:
           - os: windows-2025-vs2026  # Windows with Visual Studio 2026
             python-version: 3.x
     steps:
-      - uses: actions/checkout@v7
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
+        with:
+          persist-credentials: false
       - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v7
+        uses: actions/setup-python@5fda3b95a4ea91299a34e894583c3862153e4b97 # v7.0.0
         with:
           python-version: ${{ matrix.python-version }}
           allow-prereleases: true
-      - uses: seanmiddleditch/gha-setup-ninja@v6
+      - uses: seanmiddleditch/gha-setup-ninja@3b1f8f94a2f8254bd26914c4ab9474d4f0015f67 # v6
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
diff --git a/.github/workflows/release-please.yml b/.github/workflows/release-please.yml
index 32f260de..92138f14 100644
--- a/.github/workflows/release-please.yml
+++ b/.github/workflows/release-please.yml
@@ -3,6 +3,8 @@ on:
     branches:
       - main
 
+permissions: {}
+
 name: release-please
 jobs:
   release-please:
@@ -14,7 +16,7 @@ jobs:
       contents: write
       pull-requests: write
     steps:
-      - uses: google-github-actions/release-please-action@v4
+      - uses: google-github-actions/release-please-action@e4dc86ba9405554aeba3c6bb2d169500e7d3b4ee # v4.1.1
         id: release
 
   build:
@@ -24,11 +26,13 @@ jobs:
     if: ${{ needs.release-please.outputs.release_created }}  # only publish on release
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v7
+    - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
+      with:
+        persist-credentials: false
     - name: Build a binary wheel and a source tarball
       run: pipx run build
     - name: Store the distribution packages
-      uses: actions/upload-artifact@v7
+      uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
       with:
         name: python-package-distributions
         path: dist/
@@ -48,12 +52,12 @@ jobs:
       id-token: write # IMPORTANT: mandatory for trusted publishing
     steps:
     - name: Download all the dists
-      uses: actions/download-artifact@v8
+      uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c # v8.0.1
       with:
         name: python-package-distributions
         path: dist/
     - name: Publish distribution to PyPI
-      uses: pypa/gh-action-pypi-publish@release/v1
+      uses: pypa/gh-action-pypi-publish@dc37677b2e1c63e2034f94d8a5b11f265b73ba33 # v1.14.2
 
   github-release:
     name: >-
@@ -68,12 +72,12 @@ jobs:
       id-token: write # IMPORTANT: mandatory for sigstore
     steps:
     - name: Download all the dists
-      uses: actions/download-artifact@v8
+      uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c # v8.0.1
       with:
         name: python-package-distributions
         path: dist/
     - name: Sign the dists with Sigstore
-      uses: sigstore/gh-action-sigstore-python@v3.5.0
+      uses: sigstore/gh-action-sigstore-python@790bc6befb9d733738f18d8f895854b453640ec9 # v3.5.0
       with:
         inputs: >-
           ./dist/*.tar.gz
@@ -81,10 +85,11 @@ jobs:
     - name: Upload artifact signatures to GitHub Release
       env:
         GITHUB_TOKEN: ${{ github.token }}
+        NEEDS_RELEASE_PLEASE_OUTPUTS_TAG_NAME: ${{ needs.release-please.outputs.tag_name }}
       # Upload to GitHub Release using the `gh` CLI.
       # `dist/` contains the built packages, and the
       # sigstore-produced signatures and certificates.
       run: >-
         gh release upload
-        ${{ needs.release-please.outputs.tag_name }} dist/**
+        ${NEEDS_RELEASE_PLEASE_OUTPUTS_TAG_NAME} dist/**
         --repo '${{ github.repository }}'