diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index f766261..9cb7487 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -38,7 +38,7 @@ jobs:
       - uses: julia-actions/julia-runtest@latest
       - uses: julia-actions/julia-processcoverage@v1
         if: matrix.version == '1' && matrix.os == 'ubuntu-latest'
-      - uses: codecov/codecov-action@v3
+      - uses: codecov/codecov-action@v4
         if: matrix.version == '1' && matrix.os == 'ubuntu-latest'
         with:
           file: lcov.info