diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index e6490a6..f5fae03 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -60,7 +60,7 @@ jobs:
 
     - name: Upload Coverage to Codecov
       if: ${{ contains(matrix.os, 'ubuntu') }}
-      uses: codecov/codecov-action@v3
+      uses: codecov/codecov-action@v4
       with:
         gcov: true
         gcov_include: matspy/*