diff --git a/.github/workflows/buildtest.yaml b/.github/workflows/buildtest.yaml
index f37e0e16..64a82b99 100644
--- a/.github/workflows/buildtest.yaml
+++ b/.github/workflows/buildtest.yaml
@@ -26,7 +26,7 @@ jobs:
       - name: Test
         run: dotnet test --configuration Release --collect:"Code Coverage;Format=Cobertura" --logger trx --results-directory TestResults --settings CodeCoverage.runsettings --no-build
       - name: Upload coverage to Codecov
-        uses: codecov/codecov-action@v4
+        uses: codecov/codecov-action@v5
         with:
           directory: ./TestResults
           files: '*.cobertura.xml'