diff --git a/.github/workflows/check-go-dependencies-task.yml b/.github/workflows/check-go-dependencies-task.yml
index c052d9d9..054aa8d9 100644
--- a/.github/workflows/check-go-dependencies-task.yml
+++ b/.github/workflows/check-go-dependencies-task.yml
@@ -111,7 +111,7 @@ jobs:
       # Some might find it convenient to have CI generate the cache rather than setting up for it locally
       - name: Upload cache to workflow artifact
         if: failure() && steps.diff.outcome == 'failure'
-        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/compare-performance.yml b/.github/workflows/compare-performance.yml
index 8c892596..8f37ffa2 100644
--- a/.github/workflows/compare-performance.yml
+++ b/.github/workflows/compare-performance.yml
@@ -1,7 +1,7 @@
 name: Compare Performance
 
 env:
-  REPORTS_ARTIFACT_NAME: reports
+  REPORTS_ARTIFACT_PREFIX: reports-
 
 # See: https://docs.github.com/en/free-pro-team@latest/actions/reference/events-that-trigger-workflows
 on:
@@ -85,16 +85,20 @@ jobs:
       matrix:
         data:
           # Use two copies of each job to catch job-specific anomalous durations.
-          - ref: ${{ github.ref }} # The tip of the branch selected in the workflow dispatch dialog's "Use workflow from" menu
+          - artifact-suffix: tip-run-1
+            ref: ${{ github.ref }} # The tip of the branch selected in the workflow dispatch dialog's "Use workflow from" menu
             description: tip run 1
             position: after
-          - ref: ${{ github.ref }}
+          - artifact-suffix: tip-run-2
+            ref: ${{ github.ref }}
             description: tip run 2
             position: after
-          - ref: ${{ needs.init.outputs.base-ref }}
+          - artifact-suffix: comparison-run-1
+            ref: ${{ needs.init.outputs.base-ref }}
             description: comparison run 1
             position: before
-          - ref: ${{ needs.init.outputs.base-ref }}
+          - artifact-suffix: comparison-run-2
+            ref: ${{ needs.init.outputs.base-ref }}
             description: comparison run 2
             position: before
 
@@ -294,11 +298,11 @@ jobs:
           EOF
 
       - name: Upload report to a workflow artifact
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           if-no-files-found: error
           path: ${{ env.REPORTS_PATH }}
-          name: ${{ env.REPORTS_ARTIFACT_NAME }}
+          name: ${{ env.REPORTS_ARTIFACT_PREFIX }}${{ matrix.data.artifact-suffix }}
 
   results:
     needs: run
@@ -310,10 +314,11 @@ jobs:
 
     steps:
       - name: Download reports
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
-          name: ${{ env.REPORTS_ARTIFACT_NAME }}
+          merge-multiple: true
           path: ${{ env.REPORTS_PATH }}
+          pattern: ${{ env.REPORTS_ARTIFACT_PREFIX }}*
 
       - name: Print results
         shell: python
diff --git a/.github/workflows/publish-go-tester-task.yml b/.github/workflows/publish-go-tester-task.yml
index 47827988..ae2c9aec 100644
--- a/.github/workflows/publish-go-tester-task.yml
+++ b/.github/workflows/publish-go-tester-task.yml
@@ -94,7 +94,7 @@ jobs:
             "./LICENSE.txt"
 
       - name: Save binary as workflow artifact
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           if-no-files-found: error
           path: ${{ env.BUILD_ARCHIVE_PATH }}
diff --git a/.github/workflows/sync-labels-npm.yml b/.github/workflows/sync-labels-npm.yml
index 832de1ba..2e356aff 100644
--- a/.github/workflows/sync-labels-npm.yml
+++ b/.github/workflows/sync-labels-npm.yml
@@ -5,7 +5,7 @@ env:
   # See: https://github.com/actions/setup-node/#readme
   NODE_VERSION: 16.x
   CONFIGURATIONS_FOLDER: .github/label-configuration-files
-  CONFIGURATIONS_ARTIFACT: label-configuration-files
+  CONFIGURATIONS_ARTIFACT_PREFIX: label-configuration-file-
 
 # See: https://docs.github.com/actions/using-workflows/events-that-trigger-workflows
 on:
@@ -84,13 +84,13 @@ 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
             *.yml
           if-no-files-found: error
-          name: ${{ env.CONFIGURATIONS_ARTIFACT }}
+          name: ${{ env.CONFIGURATIONS_ARTIFACT_PREFIX }}${{ matrix.filename }}
 
   sync:
     needs: download
@@ -124,16 +124,17 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v4
 
-      - name: Download configuration files artifact
-        uses: actions/download-artifact@v3
+      - name: Download configuration file artifacts
+        uses: actions/download-artifact@v4
         with:
-          name: ${{ env.CONFIGURATIONS_ARTIFACT }}
+          merge-multiple: true
+          pattern: ${{ env.CONFIGURATIONS_ARTIFACT_PREFIX }}*
           path: ${{ env.CONFIGURATIONS_FOLDER }}
 
-      - name: Remove unneeded artifact
-        uses: geekyeggo/delete-artifact@v2
+      - name: Remove unneeded artifacts
+        uses: geekyeggo/delete-artifact@v5
         with:
-          name: ${{ env.CONFIGURATIONS_ARTIFACT }}
+          name: ${{ env.CONFIGURATIONS_ARTIFACT_PREFIX }}*
 
       - name: Setup Node.js
         uses: actions/setup-node@v4