diff --git a/.github/workflows/tox.yml b/.github/workflows/tox.yml
index 17c50758..fcb75c2f 100644
--- a/.github/workflows/tox.yml
+++ b/.github/workflows/tox.yml
@@ -224,7 +224,7 @@ jobs:
           token: ${{ secrets.CODECOV_TOKEN }}
 
       - name: Upload coverage data
-        uses: codecov/codecov-action@v4
+        uses: codecov/codecov-action@v4.5.0
         with:
           name: ${{ matrix.name }}
           # verbose: true # optional (default = false)