diff --git a/.github/workflows/release-test.yml b/.github/workflows/release-test.yml
index 17a6d16cbc..5da0a5ab00 100644
--- a/.github/workflows/release-test.yml
+++ b/.github/workflows/release-test.yml
@@ -181,7 +181,7 @@ jobs:
         mkdir test-reports/
         junit2html ${REPORT_XML} ${REPORT_NAME}.html
         cp ${REPORT_XML} ${REPORT_NAME}.xml
-    - uses: actions/upload-artifact@v2
+    - uses: actions/upload-artifact@v4
       if: always()
       with:
         name: Test Reports
diff --git a/.github/workflows/test-on-iotlab.yml b/.github/workflows/test-on-iotlab.yml
index 348fc2e685..4596f9b424 100644
--- a/.github/workflows/test-on-iotlab.yml
+++ b/.github/workflows/test-on-iotlab.yml
@@ -131,7 +131,7 @@ jobs:
       - name: Archive results
         if: always()
         # Store generated results-<riot board name> artifact
-        uses: actions/upload-artifact@v2
+        uses: actions/upload-artifact@v4
         with:
           name: ${{ matrix.boards.riot }}
           path: results-${{ matrix.boards.riot }}