diff --git a/.github/workflows/ci-tests.yml b/.github/workflows/ci-tests.yml
index 0fc0ca98..f03a1b94 100644
--- a/.github/workflows/ci-tests.yml
+++ b/.github/workflows/ci-tests.yml
@@ -54,10 +54,11 @@ jobs:
 
       - name: Upload coverage to Codecov
         if: ${{ matrix.step == 'unit' }}
-        uses: codecov/codecov-action@v1
+        uses: codecov/codecov-action@v4
+        env:
+          CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
         with:
           fail_ci_if_error: true
-          token: ${{ secrets.CODECOV_TOKEN }}
 
   tox-style:
     name: CI linters via Tox