diff --git a/.github/workflows/TransformSpecifications_CI.yml b/.github/workflows/TransformSpecifications_CI.yml
index beb64f1..07842d3 100644
--- a/.github/workflows/TransformSpecifications_CI.yml
+++ b/.github/workflows/TransformSpecifications_CI.yml
@@ -51,7 +51,7 @@ jobs:
       - uses: julia-actions/julia-processcoverage@v1
         with:
           directories: 'src/'
-      - uses: codecov/codecov-action@v3
+      - uses: codecov/codecov-action@v4
         with:
           token: ${{ secrets.CODECOV_TOKEN }}
           file: lcov.info