diff --git a/.github/workflows/e2e.deploy.docs.yml b/.github/workflows/e2e.deploy.docs.yml
index baa8b81..63119f8 100644
--- a/.github/workflows/e2e.deploy.docs.yml
+++ b/.github/workflows/e2e.deploy.docs.yml
@@ -12,7 +12,7 @@ jobs:
     outputs:
       changes: ${{ steps.changes.outputs.e2e-docs }}
     steps:
-      - uses: actions/checkout@master
+      - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
 
       - name: Check for e2e docs file changes
         uses: dorny/paths-filter@v3.0.2
@@ -29,7 +29,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@master
+        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
 
       - name: vuepress-deploy
         uses: IT4Change/vuepress-build-and-deploy@master
diff --git a/.github/workflows/e2e.run.tests.yml b/.github/workflows/e2e.run.tests.yml
index a136e60..74cf937 100644
--- a/.github/workflows/e2e.run.tests.yml
+++ b/.github/workflows/e2e.run.tests.yml
@@ -8,12 +8,12 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Set Node version
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@633bb92bc0aabcae06e8ea93b85aecddd374c402 # v6.0.0
         with:
           node-version: '>=22.15.0'
 
       - name: Checkout
-        uses: actions/checkout@master
+        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
 
       - name: E2E - Run all tests
         id: e2e-run
@@ -32,7 +32,7 @@ jobs:
 
       - name: E2E | if tests failed, upload report
         if: ${{ failure() && steps.e2e-run.conclusion == 'failure' }}
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@330a01c490aca151604b8cf639adc76d48f6c5d4 # v5.0.0
         with:
           name: boilerplate-e2e-test-report-pr-${{ steps.pr-number.outputs.pr }}
           path: /home/runner/work/boilerplate-e2e-cypress-cucumber/boilerplate-e2e-cypress-cucumber/cypress/reports/e2e_html_report
diff --git a/.github/workflows/e2e.test.build.docs.yml b/.github/workflows/e2e.test.build.docs.yml
index 9e85c8c..2f84bb2 100644
--- a/.github/workflows/e2e.test.build.docs.yml
+++ b/.github/workflows/e2e.test.build.docs.yml
@@ -9,7 +9,7 @@ jobs:
     outputs:
       changes: ${{ steps.changes.outputs.e2e-docs }}
     steps:
-      - uses: actions/checkout@master
+      - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
 
       - name: Check for e2e docs file changes
         uses: dorny/paths-filter@v3.0.2
@@ -26,12 +26,12 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Set Node version
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@633bb92bc0aabcae06e8ea93b85aecddd374c402 # v6.0.0
         with:
           node-version: '>=22.15.0'
 
       - name: Checkout code
-        uses: actions/checkout@master
+        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
 
       - name: E2E Testing | Build Docs
         run: npm install && npm run docs:build
diff --git a/.github/workflows/e2e.test.lint.yml b/.github/workflows/e2e.test.lint.yml
index 0d4693b..6a508cd 100644
--- a/.github/workflows/e2e.test.lint.yml
+++ b/.github/workflows/e2e.test.lint.yml
@@ -9,7 +9,7 @@ jobs:
     outputs:
       changes: ${{ steps.changes.outputs.e2e-all }}
     steps:
-      - uses: actions/checkout@master
+      - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
 
       - name: Check for frontend file changes
         uses: dorny/paths-filter@v3.0.2
@@ -26,12 +26,12 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Set Node version
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@633bb92bc0aabcae06e8ea93b85aecddd374c402 # v6.0.0
         with:
           node-version: '>=22.15.0'
 
       - name: Checkout code
-        uses: actions/checkout@master
+        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
 
       - name: E2E files | Lint
         run: npm install && npm run test:lint:eslint