diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index e770143..f5e4604 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -81,7 +81,7 @@ jobs:
       if: matrix.config.os == 'macos-latest'
 
     - name: upload artifacts
-      uses: actions/upload-artifact@v4
+      uses: actions/upload-artifact@v5
       with:
         name: clang_${{ matrix.config.name }}_${{ matrix.config.arch }}
         path: |
@@ -147,7 +147,7 @@ jobs:
         ninja clang-format clangd
 
     - name: upload artifacts
-      uses: actions/upload-artifact@v4
+      uses: actions/upload-artifact@v5
       with:
         name: clang_${{ matrix.config.name }}_${{ matrix.config.arch }}
         path: |
diff --git a/.github/workflows/sync-labels.yml b/.github/workflows/sync-labels.yml
index c27ef92..89f906b 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@v4
+        uses: actions/upload-artifact@v5
         with:
           path: |
             *.yaml