diff --git a/.github/workflows/ci-julia-nightly.yml b/.github/workflows/ci-julia-nightly.yml
index 69028d14..93d56755 100644
--- a/.github/workflows/ci-julia-nightly.yml
+++ b/.github/workflows/ci-julia-nightly.yml
@@ -61,6 +61,6 @@ jobs:
           JULIA_NUM_THREADS: 4
           LOOPVECTORIZATION_TEST: ${{ matrix.loopvectorization_test }}
       - uses: julia-actions/julia-processcoverage@v1
-      - uses: codecov/codecov-action@v3
+      - uses: codecov/codecov-action@v4
         with:
           file: lcov.info
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 0e05ee56..578e3685 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -62,7 +62,7 @@ jobs:
           JULIA_NUM_THREADS: 4
           LOOPVECTORIZATION_TEST: ${{ matrix.loopvectorization_test }}
       - uses: julia-actions/julia-processcoverage@v1
-      - uses: codecov/codecov-action@v3
+      - uses: codecov/codecov-action@v4
         with:
           file: lcov.info
   docs: