diff --git a/.github/workflows/ci-julia-nightly.yml b/.github/workflows/ci-julia-nightly.yml
index 72b9828..b630236 100644
--- a/.github/workflows/ci-julia-nightly.yml
+++ b/.github/workflows/ci-julia-nightly.yml
@@ -69,6 +69,6 @@ jobs:
           JULIA_EXCLUSIVE: ${{ matrix.exclusive }}
           JULIA_NUM_THREADS: ${{ matrix.threads }}
       - 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 2c1da36..4d4bf24 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -69,7 +69,7 @@ jobs:
           JULIA_EXCLUSIVE: ${{ matrix.exclusive }}
           JULIA_NUM_THREADS: ${{ matrix.threads }}
       - uses: julia-actions/julia-processcoverage@v1
-      - uses: codecov/codecov-action@v3
+      - uses: codecov/codecov-action@v4
         with:
           file: lcov.info
   docs: