diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index 50e0ff7ad27..d3ab6161210 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -9,10 +9,17 @@ updates:
   - package-ecosystem: "github-actions"
     directory: "/"
     schedule:
-      interval: "weekly"
+      interval: "cron"
+      cronjob: "15 22 5,20 * *" # At 22:15, every 5th and 20th day of the month.
     open-pull-requests-limit: 5
     commit-message:
       prefix: "GH Actions:"
     labels:
       - "changelog: non-user-facing"
       - "yoast cs/qa"
+    groups:
+      action-runners:
+        applies-to: version-updates
+        update-types:
+          - "minor"
+          - "patch"
diff --git a/.github/workflows/browserslist-db.yml b/.github/workflows/browserslist-db.yml
index 6e0fab56a53..952a105fa15 100644
--- a/.github/workflows/browserslist-db.yml
+++ b/.github/workflows/browserslist-db.yml
@@ -21,7 +21,7 @@ jobs:
           git config --global user.name "${{ github.actor }}"
 
       - name: Checkout repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index 209cec62d41..5328fb5986d 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -26,13 +26,13 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v6
+      uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL
-      uses: github/codeql-action/init@v4
+      uses: github/codeql-action/init@5d4e8d1aca955e8d8589aabd499c5cae939e33c7 # v4.31.9
       with:
         languages: ${{ matrix.language }}
 
     - name: Perform CodeQL Analysis
-      uses: github/codeql-action/analyze@v4
+      uses: github/codeql-action/analyze@5d4e8d1aca955e8d8589aabd499c5cae939e33c7 # v4.31.9
diff --git a/.github/workflows/cs.yml b/.github/workflows/cs.yml
index c0d604083fa..c0935efefaa 100644
--- a/.github/workflows/cs.yml
+++ b/.github/workflows/cs.yml
@@ -32,7 +32,7 @@ concurrency:
 jobs:
   actionlint:
     name: 'Lint GH Action workflows'
-    uses: Yoast/.github/.github/workflows/reusable-actionlint.yml@main
+    uses: Yoast/.github/.github/workflows/reusable-actionlint.yml@c14f66005ab514663a48d00712db67617c98728c # v1.0.0
 
   checkcs:
     name: 'Check code style'
@@ -40,7 +40,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v6
+        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
 
       - name: Determine the base branch for the file diff
         id: base_branch
@@ -59,7 +59,7 @@ jobs:
         run: git fetch --no-tags --depth=1 origin ${{ steps.base_branch.outputs.NAME }}
 
       - name: Install PHP
-        uses: shivammathur/setup-php@v2
+        uses: shivammathur/setup-php@44454db4f0199b8b9685a5d763dc37cbf79108e1 # 2.36.0
         with:
           php-version: 'latest'
           coverage: none
@@ -75,7 +75,7 @@ jobs:
       # Install dependencies and handle caching in one go.
       # @link https://github.com/marketplace/actions/install-php-dependencies-with-composer
       - name: Install Composer dependencies
-        uses: ramsey/composer-install@v3
+        uses: ramsey/composer-install@3cf229dc2919194e9e36783941438d17239e8520 # 3.1.1
         with:
           # Bust the cache at least once a week - output format: YYYY-MM-DD.
           custom-cache-suffix: $(/bin/date -u --date='last Mon' "+%F")
diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index c6ed0a5d65f..d8cd4393a73 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -56,10 +56,10 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v6
+        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
 
       - name: Install PHP
-        uses: shivammathur/setup-php@v2
+        uses: shivammathur/setup-php@44454db4f0199b8b9685a5d763dc37cbf79108e1 # 2.36.0
         with:
           php-version: 7.4
           coverage: none
@@ -69,7 +69,7 @@ jobs:
       # This action also handles the caching of the Yarn dependencies.
       # https://github.com/actions/setup-node
       - name: Set up node and enable caching of dependencies
-        uses: actions/setup-node@v6
+        uses: actions/setup-node@395ad3262231945c25e8478fd5baf05154b1d79f # v6.1.0
         with:
           node-version-file: './.nvmrc'
           cache: 'yarn'
@@ -90,7 +90,7 @@ jobs:
       # and available across runs of the same workflow.
       # @link https://github.com/marketplace/actions/install-php-dependencies-with-composer
       - name: Install Composer dependencies and run the prefixing script
-        uses: ramsey/composer-install@v3
+        uses: ramsey/composer-install@3cf229dc2919194e9e36783941438d17239e8520 # 3.1.1
         with:
           # Bust the cache at least once a week - output format: YYYY-MM-DD.
           custom-cache-suffix: $(/bin/date -u --date='last Mon' "+%F")
@@ -126,7 +126,7 @@ jobs:
       # Retention is normally 90 days, but this artifact is only for review
       # and use in the next step, so no need to keep it for more than a day.
       - name: Upload the artifact folder
-        uses: actions/upload-artifact@v6
+        uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f # v6.0.0
         if: ${{ success() }}
         with:
           name: deploy-artifact
@@ -169,7 +169,7 @@ jobs:
           fi
 
       - name: Checkout Yoast Dist repo
-        uses: actions/checkout@v6
+        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
         with:
           repository: ${{ env.DIST_ORG }}/${{ github.event.repository.name }}
           ref: ${{ env.DIST_DEFAULT_BRANCH }}
@@ -198,7 +198,7 @@ jobs:
 
       # The artifact will be unpacked into the root directory of the repository.
       - name: Download and unpack the prepared artifact
-        uses: actions/download-artifact@v7
+        uses: actions/download-artifact@37930b1c2abaa49bbe596cd826c3c89aef350131 # v7.0.0
         with:
           name: deploy-artifact
 
diff --git a/.github/workflows/deprecation-check.yml b/.github/workflows/deprecation-check.yml
index c923af4b8a1..92061b985a0 100644
--- a/.github/workflows/deprecation-check.yml
+++ b/.github/workflows/deprecation-check.yml
@@ -23,7 +23,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v6
+        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
 
       - name: Place a comment on the PR
         uses: thollander/actions-comment-pull-request@24bffb9b452ba05a4f3f77933840a6a841d1b32b # v3.0.1
diff --git a/.github/workflows/finish-coveralls.yml b/.github/workflows/finish-coveralls.yml
index 3adbdd41428..af311cbd32e 100644
--- a/.github/workflows/finish-coveralls.yml
+++ b/.github/workflows/finish-coveralls.yml
@@ -84,7 +84,7 @@ jobs:
       # NOTE: The ref value should be different when triggered by pull_request event.
       #       See: https://github.com/lewagon/wait-on-check-action/issues/25.
       - name: "Wait on tests (PR)"
-        uses: lewagon/wait-on-check-action@3603e826ee561ea102b58accb5ea55a1a7482343 # lewagon/wait-on-check-action@v1.4.1
+        uses: lewagon/wait-on-check-action@3603e826ee561ea102b58accb5ea55a1a7482343 # v1.4.1
         if: github.event_name == 'pull_request'
         with:
           ref: ${{ github.event.pull_request.head.sha }}
@@ -93,14 +93,14 @@ jobs:
 
       - name: "Wait on tests (push)"
         if: github.event_name != 'pull_request'
-        uses: lewagon/wait-on-check-action@3603e826ee561ea102b58accb5ea55a1a7482343 # lewagon/wait-on-check-action@v1.4.1
+        uses: lewagon/wait-on-check-action@3603e826ee561ea102b58accb5ea55a1a7482343 # v1.4.1
         with:
           ref: ${{ github.sha }}
           repo-token: ${{ secrets.GITHUB_TOKEN }}
           check-regexp: Test|TestJS
 
       - name: "Coveralls Finished"
-        uses: coverallsapp/github-action@v2
+        uses: coverallsapp/github-action@5cbfd81b66ca5d10c19b062c04de0199c215fb6e # v2.3.7
         env:
           COVERALLS_SERVICE_NUMBER: ${{ github.sha }} # Connect all builds together.
         with:
diff --git a/.github/workflows/generate_csv.yml b/.github/workflows/generate_csv.yml
index 6475928b5b8..bd79047b706 100644
--- a/.github/workflows/generate_csv.yml
+++ b/.github/workflows/generate_csv.yml
@@ -9,7 +9,7 @@ jobs:
     steps:
       # Check out the repository
       - name: Check out repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
 
       # Install dependencies
       - name: Install dependencies
diff --git a/.github/workflows/jslint.yml b/.github/workflows/jslint.yml
index d71547733c0..a3e3f440f28 100644
--- a/.github/workflows/jslint.yml
+++ b/.github/workflows/jslint.yml
@@ -57,7 +57,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v6
+        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
 
       # The ubuntu images come with Node, npm and yarn pre-installed.
       # https://github.com/actions/virtual-environments/blob/main/images/linux/Ubuntu2004-Readme.md
@@ -65,7 +65,7 @@ jobs:
       # This action also handles the caching of the Yarn dependencies.
       # https://github.com/actions/setup-node
       - name: Set up node and enable caching of dependencies
-        uses: actions/setup-node@v6
+        uses: actions/setup-node@395ad3262231945c25e8478fd5baf05154b1d79f # v6.1.0
         with:
           node-version-file: './.nvmrc'
           cache: 'yarn'
diff --git a/.github/workflows/jstest.yml b/.github/workflows/jstest.yml
index fced52cffe0..7fef7b1e50b 100644
--- a/.github/workflows/jstest.yml
+++ b/.github/workflows/jstest.yml
@@ -77,7 +77,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v6
+        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
 
       # The ubuntu images come with Node, npm and yarn pre-installed.
       # https://github.com/actions/virtual-environments/blob/main/images/linux/Ubuntu2004-Readme.md
@@ -85,7 +85,7 @@ jobs:
       # This action also handles the caching of the Yarn dependencies.
       # https://github.com/actions/setup-node
       - name: Set up node and enable caching of dependencies
-        uses: actions/setup-node@v6
+        uses: actions/setup-node@395ad3262231945c25e8478fd5baf05154b1d79f # v6.1.0
         with:
           node-version-file: './.nvmrc'
           cache: 'yarn'
@@ -117,7 +117,7 @@ jobs:
         working-directory: packages/${{ matrix.package }}
 
       - name: Upload coverage results to Coveralls
-        uses: coverallsapp/github-action@v2
+        uses: coverallsapp/github-action@5cbfd81b66ca5d10c19b062c04de0199c215fb6e # v2.3.7
         env:
           COVERALLS_SERVICE_NUMBER: ${{ github.sha }} # Connect all builds together.
         with:
@@ -146,7 +146,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v6
+        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
 
       - name: Checks for changes
         uses: dorny/paths-filter@de90cc6fb38fc0963ad72b210f1f284cd68cea36 # dorny/paths-filter@v3.0.2
@@ -165,7 +165,7 @@ jobs:
       # Check out the premium config repo ahead of running the tests to prevent issues with permissions.
       - name: Checkout premium configuration
         if: ${{ steps.checks-run.outputs.should == 'true' && matrix.needs_premium_config == true }}
-        uses: actions/checkout@v6
+        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
         with:
           repository: Yoast/YoastSEO.js-premium-configuration
           path: packages/yoastseo/premium-configuration
@@ -179,7 +179,7 @@ jobs:
       # https://github.com/actions/setup-node
       - name: Set up node and enable caching of dependencies
         if: ${{ steps.checks-run.outputs.should == 'true' }}
-        uses: actions/setup-node@v6
+        uses: actions/setup-node@395ad3262231945c25e8478fd5baf05154b1d79f # v6.1.0
         with:
           node-version-file: './.nvmrc'
           cache: 'yarn'
@@ -218,7 +218,7 @@ jobs:
 
       - name: Upload coverage results to Coveralls
         if: ${{ steps.checks-run.outputs.should == 'true' }}
-        uses: coverallsapp/github-action@v2
+        uses: coverallsapp/github-action@5cbfd81b66ca5d10c19b062c04de0199c215fb6e # v2.3.7
         env:
           COVERALLS_SERVICE_NUMBER: ${{ github.sha }} # Connect all builds together.
         with:
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 1458365a0e2..23937b2c73d 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -43,14 +43,14 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v6
+        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
 
       # For the purpose of linting the code, we need the `vendor-prefixed` directory to
       # be created as the prefixed code should be linted to ensure there are no parse errors
       # in the generated code against any of the supported PHP versions.
       # The prefix-dependencies task makes use of reflection-based PHP code that only works on PHP > 7.2.
       - name: Install PHP 7.x for generating the vendor_prefixed directory
-        uses: shivammathur/setup-php@v2
+        uses: shivammathur/setup-php@44454db4f0199b8b9685a5d763dc37cbf79108e1 # 2.36.0
         with:
           php-version: 7.4
           coverage: none
@@ -58,7 +58,7 @@ jobs:
           fail-fast: true
 
       - name: Install Composer dependencies and generate vendor_prefixed directory
-        uses: ramsey/composer-install@v3
+        uses: ramsey/composer-install@3cf229dc2919194e9e36783941438d17239e8520 # 3.1.1
         with:
           # Bust the cache at least once a week - output format: YYYY-MM-DD.
           custom-cache-suffix: $(/bin/date -u --date='last Mon' "+%F")
@@ -69,7 +69,7 @@ jobs:
         run: composer remove --dev --no-scripts humbug/php-scoper
 
       - name: Install PHP for the actual linting
-        uses: shivammathur/setup-php@v2
+        uses: shivammathur/setup-php@44454db4f0199b8b9685a5d763dc37cbf79108e1 # 2.36.0
         with:
           php-version: ${{ matrix.php_version }}
           ini-values: zend.assertions=1, assert.exception=1, error_reporting=-1, display_errors=On, display_startup_errors=On
diff --git a/.github/workflows/merge-conflict-check.yml b/.github/workflows/merge-conflict-check.yml
index f7c913a6978..d71b6f55602 100644
--- a/.github/workflows/merge-conflict-check.yml
+++ b/.github/workflows/merge-conflict-check.yml
@@ -21,4 +21,4 @@ jobs:
     if: github.repository_owner == 'Yoast'
 
     name: Check PRs for merge conflicts
-    uses: Yoast/.github/.github/workflows/reusable-merge-conflict-check.yml@main
+    uses: Yoast/.github/.github/workflows/reusable-merge-conflict-check.yml@c14f66005ab514663a48d00712db67617c98728c # v1.0.0
diff --git a/.github/workflows/security.yml b/.github/workflows/security.yml
index f0899ab2c5b..0562be2112b 100644
--- a/.github/workflows/security.yml
+++ b/.github/workflows/security.yml
@@ -26,9 +26,9 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v6
+        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
 
       # This action checks the `composer.lock` file against known security vulnerabilities in the dependencies.
       # https://github.com/marketplace/actions/the-php-security-checker
       - name: Run Security Check
-        uses: symfonycorp/security-checker-action@v5
+        uses: symfonycorp/security-checker-action@258311ef7ac571f1310780ef3d79fc5abef642b5 # v5
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 6fecb8397c1..d2f2bc54431 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -61,11 +61,11 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v6
+        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
 
       # The prefix-dependencies task makes use of reflection-based PHP code that only works on PHP > 7.2.
       - name: Install PHP 7.x for generating the vendor_prefixed directory and dependency injection
-        uses: shivammathur/setup-php@v2
+        uses: shivammathur/setup-php@44454db4f0199b8b9685a5d763dc37cbf79108e1 # 2.36.0
         with:
           php-version: 7.4
           coverage: none
@@ -73,7 +73,7 @@ jobs:
           fail-fast: true
 
       - name: Install Composer dependencies, generate vendor_prefixed directory and run dependency injection
-        uses: ramsey/composer-install@v3
+        uses: ramsey/composer-install@3cf229dc2919194e9e36783941438d17239e8520 # 3.1.1
         with:
           # Bust the cache at least once a week - output format: YYYY-MM-DD.
           custom-cache-suffix: $(/bin/date -u --date='last Mon' "+%F")
@@ -87,7 +87,7 @@ jobs:
         run: rm -rf vendor/*
 
       - name: Install PHP
-        uses: shivammathur/setup-php@v2
+        uses: shivammathur/setup-php@44454db4f0199b8b9685a5d763dc37cbf79108e1 # 2.36.0
         with:
           php-version: ${{ matrix.php_version }}
           ini-values: zend.assertions=1, assert.exception=1, error_reporting=-1, display_errors=On, display_startup_errors=On
@@ -106,7 +106,7 @@ jobs:
       #   for the PHP version on which the tests will be run.
       # @link https://github.com/marketplace/actions/install-php-dependencies-with-composer
       - name: Install Composer dependencies
-        uses: ramsey/composer-install@v3
+        uses: ramsey/composer-install@3cf229dc2919194e9e36783941438d17239e8520 # 3.1.1
         with:
           # Force a `composer update` run.
           dependency-versions: "highest"
@@ -125,7 +125,7 @@ jobs:
 
       - name: Upload coverage results to Coveralls
         if: ${{ success() && matrix.coverage == true }}
-        uses: coverallsapp/github-action@v2
+        uses: coverallsapp/github-action@5cbfd81b66ca5d10c19b062c04de0199c215fb6e # v2.3.7
         env:
           COVERALLS_SERVICE_NUMBER: ${{ github.sha }} # Connect all builds together.
         with:
@@ -196,11 +196,11 @@ jobs:
         run: sudo apt-get install -y subversion
 
       - name: Checkout code
-        uses: actions/checkout@v6
+        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
 
       # The prefix-dependencies task makes use of reflection-based PHP code that only works on PHP > 7.2.
       - name: Install PHP 7.x for generating the vendor_prefixed directory and dependency injection
-        uses: shivammathur/setup-php@v2
+        uses: shivammathur/setup-php@44454db4f0199b8b9685a5d763dc37cbf79108e1 # 2.36.0
         with:
           php-version: 7.4
           coverage: none
@@ -208,7 +208,7 @@ jobs:
           fail-fast: true
 
       - name: Install Composer dependencies, generate vendor_prefixed directory and run dependency injection
-        uses: ramsey/composer-install@v3
+        uses: ramsey/composer-install@3cf229dc2919194e9e36783941438d17239e8520 # 3.1.1
         with:
           # Bust the cache at least once a week - output format: YYYY-MM-DD.
           custom-cache-suffix: $(/bin/date -u --date='last Mon' "+%F")
@@ -222,7 +222,7 @@ jobs:
         run: rm -rf vendor/*
 
       - name: Install PHP
-        uses: shivammathur/setup-php@v2
+        uses: shivammathur/setup-php@44454db4f0199b8b9685a5d763dc37cbf79108e1 # 2.36.0
         with:
           php-version: ${{ matrix.php_version }}
           ini-values: zend.assertions=1, assert.exception=1, error_reporting=-1, display_errors=On, display_startup_errors=On
@@ -237,7 +237,7 @@ jobs:
         run: composer config --unset platform.php
 
       - name: "Install Composer dependencies"
-        uses: ramsey/composer-install@v3
+        uses: ramsey/composer-install@3cf229dc2919194e9e36783941438d17239e8520 # 3.1.1
         with:
           # Force a `composer update` run.
           dependency-versions: "highest"
@@ -272,7 +272,7 @@ jobs:
 
       - name: Upload coverage results to Coveralls - single site
         if: ${{ success() && matrix.coverage == true }}
-        uses: coverallsapp/github-action@v2
+        uses: coverallsapp/github-action@5cbfd81b66ca5d10c19b062c04de0199c215fb6e # v2.3.7
         env:
           COVERALLS_SERVICE_NUMBER: ${{ github.sha }} # Connect all builds together.
         with:
@@ -283,7 +283,7 @@ jobs:
 
       - name: Upload coverage results to Coveralls - multisite
         if: ${{ success() && matrix.multisite == true && matrix.coverage == true }}
-        uses: coverallsapp/github-action@v2
+        uses: coverallsapp/github-action@5cbfd81b66ca5d10c19b062c04de0199c215fb6e # v2.3.7
         env:
           COVERALLS_SERVICE_NUMBER: ${{ github.sha }} # Connect all builds together.
         with: