diff --git a/.github/workflows/master.yml b/.github/workflows/master.yml
index 4ad9318..ec0fa11 100644
--- a/.github/workflows/master.yml
+++ b/.github/workflows/master.yml
@@ -32,6 +32,6 @@ jobs:
         run: |
           pytest --cov .
       - name: Codecov
-        uses: codecov/codecov-action@v3
+        uses: codecov/codecov-action@v4
         with:
           token: ${{ secrets.CODECOV_TOKEN }}