diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 9241671..7e9ea0f 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -41,7 +41,7 @@ jobs:
       - uses: julia-actions/julia-buildpkg@v1
       - uses: julia-actions/julia-runtest@v1
       - uses: julia-actions/julia-processcoverage@v1
-      - uses: codecov/codecov-action@v4
+      - uses: codecov/codecov-action@v5
         with:
           files: lcov.info
           token: ${{ secrets.CODECOV_TOKEN }}
diff --git a/templates/default/.github/workflows/CI.yml b/templates/default/.github/workflows/CI.yml
index 22f4677..3e5ba94 100644
--- a/templates/default/.github/workflows/CI.yml
+++ b/templates/default/.github/workflows/CI.yml
@@ -41,7 +41,7 @@ jobs:
       - uses: julia-actions/julia-buildpkg@v1
       - uses: julia-actions/julia-runtest@v1
       - uses: julia-actions/julia-processcoverage@v1
-      - uses: codecov/codecov-action@v4
+      - uses: codecov/codecov-action@v5
         with:
           files: lcov.info
           token: ${{ secrets.CODECOV_TOKEN }}