diff --git a/.github/workflows/ci-tests.yml b/.github/workflows/ci-tests.yml
index e5d9a7e83..6608e9a22 100644
--- a/.github/workflows/ci-tests.yml
+++ b/.github/workflows/ci-tests.yml
@@ -81,7 +81,7 @@ jobs:
 
       - name: Upload coverage to Codecov
         if: ${{ matrix.step == 'unit' }}
-        uses: codecov/codecov-action@v4
+        uses: codecov/codecov-action@v5
         with:
           fail_ci_if_error: true
         env:
@@ -217,7 +217,7 @@ jobs:
           path: |
             **/cwltool_conf*.xml
       - name: Upload coverage to Codecov
-        uses: codecov/codecov-action@v4
+        uses: codecov/codecov-action@v5
         with:
           fail_ci_if_error: true
         env:
@@ -302,7 +302,7 @@ jobs:
       - name: Test with tox
         run: tox
       - name: Upload coverage to Codecov
-        uses: codecov/codecov-action@v4
+        uses: codecov/codecov-action@v5
         with:
           fail_ci_if_error: true
         env: