diff --git a/.github/workflows/run_tests.yml b/.github/workflows/run_tests.yml
index 548dde1..b58f552 100644
--- a/.github/workflows/run_tests.yml
+++ b/.github/workflows/run_tests.yml
@@ -46,7 +46,7 @@ jobs:
           poetry run pytest --cov=batcher --cov-report=xml:build/reports/coverage.xml --cov-report=html:build/reports/coverage.html tests/
 
       - name: Upload coverage reports to Codecov
-        uses: codecov/codecov-action@v4
+        uses: codecov/codecov-action@v5
         with:
           token: ${{ secrets.CODECOV_TOKEN }}
           verbose: true