diff --git a/.github/workflows/diff-change-to-dist.yaml b/.github/workflows/diff-change-to-dist.yaml
index 5fe8f2d03e..ea81683a3b 100644
--- a/.github/workflows/diff-change-to-dist.yaml
+++ b/.github/workflows/diff-change-to-dist.yaml
@@ -39,7 +39,7 @@ jobs:
           bin/dist-diff.sh origin/${{ github.event.pull_request.base.ref }} $GITHUB_WORKSPACE
 
       - name: Save GitHub release diffs
-        uses: actions/upload-artifact@v4.6.2
+        uses: actions/upload-artifact@v5.0.0
         with:
           name: GitHub release diffs
           path: .cache/diff/dist/*.diff
diff --git a/.github/workflows/diff-change-to-package.yaml b/.github/workflows/diff-change-to-package.yaml
index 5e26396a9f..35f377fc6c 100644
--- a/.github/workflows/diff-change-to-package.yaml
+++ b/.github/workflows/diff-change-to-package.yaml
@@ -37,7 +37,7 @@ jobs:
           bin/package-diff.sh ${{ github.event.pull_request.base.ref }} $GITHUB_WORKSPACE
 
       - name: Save npm package diffs
-        uses: actions/upload-artifact@v4.6.2
+        uses: actions/upload-artifact@v5.0.0
         with:
           name: Package diff
           path: .cache/diff/package/*.diff
diff --git a/.github/workflows/sass.yaml b/.github/workflows/sass.yaml
index fd35abb2f7..864adcd5bd 100644
--- a/.github/workflows/sass.yaml
+++ b/.github/workflows/sass.yaml
@@ -49,7 +49,7 @@ jobs:
           ! grep "\$govuk-" .tmp/index.css
 
       - name: Save compiled Sass
-        uses: actions/upload-artifact@v4.6.2
+        uses: actions/upload-artifact@v5.0.0
         if: ${{ !cancelled() }}
         with:
           name: Dart Sass v1.0.0 output
@@ -92,7 +92,7 @@ jobs:
           ! grep "\$govuk-" .tmp/index.css
 
       - name: Save compiled Sass
-        uses: actions/upload-artifact@v4.6.2
+        uses: actions/upload-artifact@v5.0.0
         if: ${{ !cancelled() }}
         with:
           name: Dart Sass v1 (latest) output
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 2fa1af4e4a..76d5e5965b 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -205,7 +205,7 @@ jobs:
         run: npx jest --color ${{ format('--coverage={0} --maxWorkers=2 --selectProjects "{1}"', matrix.task.coverage || false, join(matrix.task.projects, '", "')) }}
 
       - name: Save test coverage
-        uses: actions/upload-artifact@v4.6.2
+        uses: actions/upload-artifact@v5.0.0
         with:
           name: ${{ matrix.task.description }} coverage (${{ matrix.runner }})
           path: coverage