diff --git a/.github/workflows/check-pull-request.yml b/.github/workflows/check-pull-request.yml
index ca328ca..5f1fcd4 100644
--- a/.github/workflows/check-pull-request.yml
+++ b/.github/workflows/check-pull-request.yml
@@ -20,10 +20,10 @@ jobs:
 
     steps:
       - name: Check out code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Cache dependencies
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         id: npm-install-cache
         with:
           enableCrossOsArchive: true
@@ -31,7 +31,7 @@ jobs:
           path: node_modules
 
       - name: Cache build
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           enableCrossOsArchive: true
           key: npm-build-${{ runner.os }}-${{ github.sha }}
@@ -85,10 +85,10 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Restore dependencies
-        uses: actions/cache/restore@v4
+        uses: actions/cache/restore@v5
         with:
           enableCrossOsArchive: true
           fail-on-cache-miss: true
@@ -97,7 +97,7 @@ jobs:
 
       - name: Cache task
         if: ${{ matrix.task.cache }}
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           enableCrossOsArchive: true
           key: ${{ matrix.task.name }}-${{ runner.os }}
@@ -128,10 +128,10 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Restore dependencies
-        uses: actions/cache/restore@v4
+        uses: actions/cache/restore@v5
         with:
           enableCrossOsArchive: true
           fail-on-cache-miss: true
@@ -139,7 +139,7 @@ jobs:
           path: node_modules
 
       - name: Restore build
-        uses: actions/cache/restore@v4
+        uses: actions/cache/restore@v5
         with:
           enableCrossOsArchive: true
           fail-on-cache-miss: true
@@ -153,7 +153,7 @@ jobs:
 
       - name: Cache task
         if: ${{ matrix.task.cache }}
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           enableCrossOsArchive: true
           key: ${{ matrix.task.name }}-${{ runner.os }}-${{ github.sha }}
@@ -164,7 +164,7 @@ jobs:
 
       - name: Save test coverage
         if: ${{ always() }}
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v7
         with:
           name: ${{ matrix.task.description }} coverage
           path: coverage
@@ -178,12 +178,12 @@ jobs:
 
     steps:
       - name: Check out code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
 
       - name: Restore unit test coverage
-        uses: actions/cache/restore@v4
+        uses: actions/cache/restore@v5
         with:
           enableCrossOsArchive: true
           fail-on-cache-miss: true
@@ -191,7 +191,7 @@ jobs:
           path: coverage
 
       - name: SonarCloud Scan
-        uses: SonarSource/sonarqube-scan-action@v6
+        uses: SonarSource/sonarqube-scan-action@v7
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
           SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}
diff --git a/.github/workflows/pr-notifier.yml b/.github/workflows/pr-notifier.yml
index 76f6b8e..b5aba14 100644
--- a/.github/workflows/pr-notifier.yml
+++ b/.github/workflows/pr-notifier.yml
@@ -50,7 +50,7 @@ jobs:
 
     steps:
       - name: Build Slack JSON
-        uses: actions/github-script@v8
+        uses: actions/github-script@v9
         id: payload
         if: github.event.action != 'submitted' || github.event.review.state == 'approved'
 
@@ -89,7 +89,7 @@ jobs:
             }
 
       - name: Post to Slack
-        uses: slackapi/slack-github-action@v2.1.1
+        uses: slackapi/slack-github-action@v3.0.2
         if: github.event.action != 'submitted' || github.event.review.state == 'approved'
 
         with:
diff --git a/.github/workflows/publish-hotfix.yml b/.github/workflows/publish-hotfix.yml
index 87004ee..5065405 100644
--- a/.github/workflows/publish-hotfix.yml
+++ b/.github/workflows/publish-hotfix.yml
@@ -18,7 +18,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0 # Depth 0 is required for branch-based versioning
 
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 870c3bc..00b4a3e 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -33,7 +33,7 @@ jobs:
     runs-on: ubuntu-24.04
     steps:
       - name: Check out code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Build and Publish
         uses: DEFRA/cdp-build-action/build@main