diff --git a/.github/workflows/dotnet-build-and-test.yml b/.github/workflows/dotnet-build-and-test.yml
index 4a41b343aa..a04160af76 100644
--- a/.github/workflows/dotnet-build-and-test.yml
+++ b/.github/workflows/dotnet-build-and-test.yml
@@ -225,7 +225,7 @@ jobs:
 
       - name: Upload coverage report artifact
         if: matrix.targetFramework == env.COVERAGE_FRAMEWORK
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: CoverageReport-${{ matrix.os }}-${{ matrix.targetFramework }}-${{ matrix.configuration }} # Artifact name
           path: ./TestResults/Reports # Directory containing files to upload
diff --git a/.github/workflows/python-test-coverage.yml b/.github/workflows/python-test-coverage.yml
index 6268e7d47d..03cca20e06 100644
--- a/.github/workflows/python-test-coverage.yml
+++ b/.github/workflows/python-test-coverage.yml
@@ -38,7 +38,7 @@ jobs:
       - name: Run all tests with coverage report
         run: uv run poe all-tests-cov --cov-report=xml:python-coverage.xml -q --junitxml=pytest.xml
       - name: Upload coverage report
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           path: |
             python/python-coverage.xml