diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index c9a6e56..7791506 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -41,7 +41,7 @@ jobs:
 
       - name: Upload coverage
         if: github.ref == 'refs/heads/main'
-        uses: codecov/codecov-action@v5
+        uses: codecov/codecov-action@v6
         with:
           token: ${{ secrets.CODECOV_TOKEN }}
           flags: unittests