diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index a73935c71..4890b3b0b 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -382,7 +382,7 @@ jobs:
           echo "STAGED_CHANNEL_FILES_PATH=$staged_channel_files_path" >> "$GITHUB_ENV"
 
       - name: Upload staged-for-merge channel file artifact
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         if: >
           needs.select-targets.outputs.merge-channel-files == 'true' &&
           matrix.config.mergeable-channel-file == 'true'
@@ -392,7 +392,7 @@ jobs:
           path: ${{ env.STAGED_CHANNEL_FILES_PATH }}
 
       - name: Upload [GitHub Actions]
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: ${{ env.JOB_TRANSFER_ARTIFACT }}
           path: ${{ env.BUILD_ARTIFACTS_PATH }}
@@ -454,7 +454,7 @@ jobs:
               --input "${{ env.CHANNEL_FILES_PATH }}"
 
       - name: Upload merged channel files to job transfer artifact
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           if-no-files-found: error
           name: ${{ env.JOB_TRANSFER_ARTIFACT }}
@@ -480,7 +480,7 @@ jobs:
           path: ${{ env.JOB_TRANSFER_ARTIFACT }}
 
       - name: Upload tester build artifact
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: ${{ matrix.artifact.name }}
           path: ${{ env.JOB_TRANSFER_ARTIFACT }}/${{ matrix.artifact.path }}
@@ -528,7 +528,7 @@ jobs:
 
       - name: Upload Changelog [GitHub Actions]
         if: needs.build-type-determination.outputs.is-nightly == 'true'
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: ${{ env.JOB_TRANSFER_ARTIFACT }}
           path: CHANGELOG.txt
diff --git a/.github/workflows/sync-labels.yml b/.github/workflows/sync-labels.yml
index 0ec11e7f3..7b255da9c 100644
--- a/.github/workflows/sync-labels.yml
+++ b/.github/workflows/sync-labels.yml
@@ -71,7 +71,7 @@ jobs:
           file-url: https://raw.githubusercontent.com/arduino/tooling-project-assets/main/workflow-templates/assets/sync-labels/${{ 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