diff --git a/.github/workflows/manage-prs.yml b/.github/workflows/manage-prs.yml
index 06b4b5959..811e4686c 100644
--- a/.github/workflows/manage-prs.yml
+++ b/.github/workflows/manage-prs.yml
@@ -114,7 +114,7 @@ jobs:
         run: echo "::set-output name=head::$(jq -c .head.sha "${{ steps.configuration.outputs.path }}/${{ env.JSON_IDENTIFIER }}")"
 
       - name: Upload diff file to workflow artifact
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           path: ${{ steps.configuration.outputs.path }}/${{ steps.configuration.outputs.filename }}
           name: ${{ steps.configuration.outputs.artifact }}
@@ -380,7 +380,7 @@ jobs:
       # So it's necessary to use an alternative means of indicating that at least one submission failed the checks.
       - name: Upload failure flag artifact
         if: env.PASS == 'false'
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           if-no-files-found: error
           include-hidden-files: true
diff --git a/.github/workflows/sync-labels.yml b/.github/workflows/sync-labels.yml
index 9cde1acc6..7680b3776 100644
--- a/.github/workflows/sync-labels.yml
+++ b/.github/workflows/sync-labels.yml
@@ -70,7 +70,7 @@ jobs:
           file-url: https://raw.githubusercontent.com/arduino/tooling-project-assets/main/workflow-templates/assets/sync-labels/${{ matrix.filename }}
 
       - name: Pass configuration files to next job via workflow artifact
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           path: |
             *.yaml