diff --git a/.github/workflows/run-tests.yml b/.github/workflows/run-tests.yml
index 3fa5f2c..3776466 100644
--- a/.github/workflows/run-tests.yml
+++ b/.github/workflows/run-tests.yml
@@ -40,7 +40,7 @@ jobs:
 
       - name: Upload coverage to Codecov
         if: matrix.python-version == '3.10'
-        uses: codecov/codecov-action@v5
+        uses: codecov/codecov-action@v6
         with:
           files: ./coverage.xml  # Changed from 'file' to 'files'
           flags: unittests