diff --git a/.github/workflows/CI-julia-nightly.yml b/.github/workflows/CI-julia-nightly.yml
index 80c288b..44c98c5 100644
--- a/.github/workflows/CI-julia-nightly.yml
+++ b/.github/workflows/CI-julia-nightly.yml
@@ -41,7 +41,7 @@ jobs:
           JULIA_NUM_THREADS: ${{ matrix.threads }}
           JULIA_CPU_THREADS: ${{ matrix.threads }}
       - uses: julia-actions/julia-processcoverage@v1
-      - uses: codecov/codecov-action@v3
+      - uses: codecov/codecov-action@v4
         with:
           file: lcov.info
   docs:
diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 5d62077..f2db0f8 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -47,7 +47,7 @@ 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
   docs: