diff --git a/.github/workflows/test-nonetwork.yml b/.github/workflows/test-nonetwork.yml
index 82b1910..ad84640 100644
--- a/.github/workflows/test-nonetwork.yml
+++ b/.github/workflows/test-nonetwork.yml
@@ -48,10 +48,11 @@ jobs:
           DANDI_TESTS_NONETWORK: 1
 
       - name: Upload coverage to Codecov
-        uses: codecov/codecov-action@v3
+        uses: codecov/codecov-action@v4
         with:
           file: ./coverage.xml
           flags: unittests
           # name: codecov-umbrella
           # yml: ./codecov.yml
           fail_ci_if_error: false
+          token: ${{ secrets.CODECOV_TOKEN }}
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index aa090f9..2a55ddc 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -47,10 +47,11 @@ jobs:
       run: tox -e py -- -s --cov-report=xml
 
     - name: Upload coverage to Codecov
-      uses: codecov/codecov-action@v3
+      uses: codecov/codecov-action@v4
       with:
         file: ./coverage.xml
         flags: unittests
         # name: codecov-umbrella
         # yml: ./codecov.yml
         fail_ci_if_error: false
+        token: ${{ secrets.CODECOV_TOKEN }}