diff --git a/.github/workflows/unit_test.yml b/.github/workflows/unit_test.yml
index 70fda8c2..eadcc87e 100644
--- a/.github/workflows/unit_test.yml
+++ b/.github/workflows/unit_test.yml
@@ -38,7 +38,7 @@ jobs:
 
       - if: matrix.python-version == '3.12'
         name: Upload results to Codecov
-        uses: codecov/codecov-action@v5
+        uses: codecov/codecov-action@v6
         with:
           token: ${{ secrets.CODECOV_TOKEN }}
           slug: VectorInstitute/fed-rag