diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b6df2f6c..9f0f4f07 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -41,6 +41,6 @@ jobs:
       - name: Process coverage
         uses: julia-actions/julia-processcoverage@v1
       - name: Upload coverage
-        uses: codecov/codecov-action@v3
+        uses: codecov/codecov-action@v4
         with:
           files: lcov.info
diff --git a/.github/workflows/ci_PR.yml b/.github/workflows/ci_PR.yml
index f0e842af..a2d4ecd8 100644
--- a/.github/workflows/ci_PR.yml
+++ b/.github/workflows/ci_PR.yml
@@ -44,6 +44,6 @@ jobs:
       - name: Process coverage
         uses: julia-actions/julia-processcoverage@v1
       - name: Upload coverage
-        uses: codecov/codecov-action@v3
+        uses: codecov/codecov-action@v4
         with:
           files: lcov.info