diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 9d63d81..f842f99 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -59,7 +59,7 @@ jobs:
       - uses: julia-actions/julia-runtest@v1
       - uses: julia-actions/julia-processcoverage@v1
         if: matrix.coverage
-      - uses: codecov/codecov-action@v4
+      - uses: codecov/codecov-action@v5
         if: matrix.coverage
         with:
           token: ${{ secrets.CODECOV_TOKEN }}
diff --git a/.github/workflows/downstream.yml b/.github/workflows/downstream.yml
index d569a19..9df86ef 100644
--- a/.github/workflows/downstream.yml
+++ b/.github/workflows/downstream.yml
@@ -67,7 +67,7 @@ jobs:
             exit(0)  # Exit immediately, as a success
           end
       - uses: julia-actions/julia-processcoverage@v1
-      - uses: codecov/codecov-action@v4
+      - uses: codecov/codecov-action@v5
         with:
           token: ${{ secrets.CODECOV_TOKEN }}
           files: lcov.info