diff --git a/.github/workflows/Downstream.yml b/.github/workflows/Downstream.yml
index daf4d14..44420c6 100644
--- a/.github/workflows/Downstream.yml
+++ b/.github/workflows/Downstream.yml
@@ -60,6 +60,6 @@ jobs:
           JULIA_NUM_THREADS: ${{ matrix.juliathreads }}
           JULIA_CPU_THREADS: ${{ matrix.juliacputhreads }}
       - uses: julia-actions/julia-processcoverage@v1
-      - uses: codecov/codecov-action@v3
+      - uses: codecov/codecov-action@v4
         with:
           file: lcov.info